Thursday 15 June 2017
Delete Data Grid View Row
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Tuesday 13 June 2017
Zombie Process
In UNIX or its similar OS environment if a process stops
running abnormally but its entry has not removed from process table known as
Zombie Process.
Reason
If a process gets stop with exit and meanwhile parent
process is sleeping then parent will be able to known the status at sleeping
moment and entry of the killed process still in process table which imply Zombie.
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Friday 9 June 2017
C Language NIELIT Exam Paper Solution
NIELIT O Level
C Language Paper Answer
January - 2015
1: Objective
1.1 B
1.2 : C
1.3 : D
Explanation : Because pointer is not being part of any equation so option a and d is equal.
1.4 : D
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Write a C program to modify the constant variable.
Q : Write a C program to modify the constant variable.
Solution :
#include<stdio.h>
void main()
{
const int a=1;
int *p;
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Thursday 8 June 2017
What is automatic type promotion in c
Q : In the following declaration statement:
char c=’A’;
Variable c stores one byte of memory space while character constants ‘A’ stores one byte memory space. How one byte variables can stores two byte character constant? What is automatic type promotion in c?
Solution :
Character constant reserve two byte of memory space to represent
octal or hexadecimal character constant but char variable stores only its one
byte ASCII value.
In C language, char type is used to store a 1 byte integer.
When you assign 'A' to char c, you are not assigning the letter A itself into
memory. Rather, you are assigning the number (integer) representing the A
character. Each letter has a digit that represent it. . Remember that unlike
humans, computers cannot understand letters. That's why we need a way to
translate them into digits. To do this we use differnet coding styles like:
ASCII, UTF-8, etc If your machine use ASCII coding then the value assigned to
char c would be 65 (0x41 hex). As you may notice, 0x41 is one byte and can be
stored in your char variable.
Automatic type promotion
Some data types like char , short int take less number of
bytes than int, these data types
are automatically promoted to int or unsigned int when
an operation is performed on them. This is called integer promotion. For
example no arithmetic calculation happens on smaller types like char, short and enum. They are first
converted to int or unsigned int, and then
arithmetic is done on them. If an int can represent all
values of the original type, the value is converted to an int . Otherwise, it is
converted to an unsigned
int.
int main()
{
char a = 30, b = 40, c = 10;
char d = (a * b) / c;
printf ("%d ", d);
return 0;
}
At first look, the expression (a*b)/c seems to cause
arithmetic overflow because signed characters can have values only from -128 to
127 (in most of the C compilers), and the value of subexpression ‘(a*b)’ is
1200 which is greater than 128. But integer promotion happens here in
arithmetic done on char types and we get the appropriate result without any
overflow.
Consider the following program as another example.
Next Question
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Text File Input Through C Language
Q : Write a C program to write a line of string in a text file.
Solution :
#include<stdio.h>
void main()
{
FILE *pt;
char
ch[100],c;
int i;
pt=fopen("test.txt","w");
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Monday 5 June 2017
Gridview FIll VB.net
Dynamic fill data gridview using VB.net
Public Sub
fill_gridview(ByRef dt As
DataGridView, ByVal sql As String)
Dim con
As New
OleDbConnection(getconstr)
Dim da As New
OleDbDataAdapter(sql, con)
Dim ds As New DataSet
Try
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Saturday 3 June 2017
Division Flipper Using CSS
Division Flipper Using CSS
Girfa
Student Help
Full Code :
<html>
<head>
<title>Girfa : Flip Effect </title>
<style>
.flip-container {
perspective: 500px;
}
/* flip the pane when
hovered */
.flip-container:hover .flipper, .flip-container.hover .flipper {
transform: rotateY(180deg);
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Friday 2 June 2017
Write a C program that displays the recommended actions depending on the color of a traffic light using the switch statement.
Q : Write a C program that displays the recommended actions depending on the color of a traffic light using the switch statement.
Solution :
void main (void)
{
char colour;
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Thursday 1 June 2017
Define void data type and write any three use of it.
Q : Define void data type and write any three use of it.
The data type void actually refers to an object that does not have a value of
any type. Void is also used to indicate when a function does not return a value
or no argument. Such a function is used for its side effect and not for its
value. In the function declaration and definition, we have indicated that the
function does not return a value by using the data type void to show an empty type, i.e. no value. Similarly, when a
function has no formal parameters, the keyword void is used in the function prototype and header to signify that
there is no information passed to the function.
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
What is dangling pointer in C? What is wild pointer in C? Give example.
Q : What is dangling pointer in C? What is wild pointer in C? Give example?
Dangling Pointer
Dangling or wild is a pointer which does not point
valid object. When a pointer has declared it must be assign a valid
address memory address otherwise it will point some location which is not
valid. These are special cases of memory safety violations.
More generally, dangling references and wild references are references that do not resolve to a valid destination.
Void main()
{
int *pt;
{
int
c=10;
pt=&c;
}
printf("\n\t%d",*pt);
}
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Sunday 28 May 2017
Setting Combo-box Value and Display Data with VB.Net
I was working on a Brokerage Calculation project where I
need to load a table’s data into combo box as in the form of value member and
display member because a combo-box store two value ID which not shown at drop
down list but reside in combo-box .
We need to Set/Get data through value because it’s mostly
primary key and display mode for display
field. Take a look on following code:
Dim con As New
OleDbConnection(getconstr)
Dim da As New
OleDbDataAdapter(sql, con)
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Friday 26 May 2017
What are merits and demerits of array in C?
Q : What are merits and demerits of array in C?
Why
we need an array.
We
need array when there is a need to process more than data with similar type. For
example
- Taking marks of 10 student needs of ten integer
- Taking name of more than one character
- Structure record and many more
Criteria
mentioned above can also be achieved through variable , but variables have
following drawback which lead to use array instead of Variable.
- Each variable must has unique name which increase complexity when a large number of variables need to make.
- Each variable load in memory at random order. So if you want to process all variable then you need to process each variable individually because allocation of space is not continuous.
For
understand the above point you need to imagine a real life example.
Two
close friend group decided to watch a movie and they follow two different approaches
as follows
- Friends in Group one purchase ticket individually without any coordination between them for seating arrangement
- Friend in group two book seats continuously i.e. seats no 1 to 10.
So
Group two can make better communication than group one. In same way array
works.
Advantage
- Continuous memory allocation.
- Process a collection of similar data type.
- Can be used to make data structure like stack,tree,queue etc.
- Easy to visit each element using index.
Disadvantage
- Static memory allocation
- Due to static memory allocation number of element cannot be increase nor decrease at run time.
- The elements of array are stored in consecutive memory locations. So insertions and deletions are very difficult and time consuming.
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Write a C program to find size of structure without using sizeof operator.
Q : Write a C program to find size of structure without using sizeof operator.
#include<stdio.h>
#include<conio.h>
struct stu
{
int roll;
char
name[20];
float
marks[3];
};
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Write a C program to find the square root of a given quadratic equation.
Q1 : Write a C program to find the square
root of a given quadratic equation.
#include <math.h>
int main()
{
double a, b, c, determinant, root1,root2, realPart,
imaginaryPart;
printf("Enter
coefficients a, b and c: ");
scanf("%lf
%lf %lf",&a, &b, &c);
determinant =
b*b-4*a*c;
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Wednesday 24 May 2017
Write a C program to print given number of terms of a Fibonacci series.
Q 1 : Write a C program to print given number of terms of a Fibonacci series.
Solution :
#include<stdio.h>
void main()
{
int a,b,c;
c=1;
a=0;
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Write a C program to read a line and print it reverse using recursive function.
Q : Write a C program to read a line and print it reverse using recursive function.
Solution :
#include<stdio.h>
#include<string.h>
#include<process.h>
void print(int len,char str[])
{
int n=len;
if(n==-1)
exit(1);
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Sunday 7 May 2017
Call by value Call by reference
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Wednesday 3 May 2017
Customized web page print using Java Script
Printing a webpage is another
important aspect of web development. If you skip this section then when your
user will be print a page then it will print as it is, which not good for all
case because we add a lot of formatting images on webpage. So all the things on
the page will get printed that will be worse.
Customizing web page output is good practice to make a
webpage. Because what we see on web page we don’t need to take output on paper
same format so customization is mandatory.
Roll | Name | City |
---|---|---|
101 | Sona | Vns |
102 | Amit | Alld |
103 | Sumi | Alld |
104 | Rakesh | Vns |
105 | Jyoti | alld |
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Saturday 29 April 2017
Stock and Bill Management Project
I have made this project for your practice only this is live
project running in whole sale shoes shop. You can use this project as your
course final project because I have seen many students who buy project from
market or internet so I made this project online for download every one with
free of cost. I also suggest student who’re going to make this project as their
course project, please take a look on project and understand what the flow of
this project working model are. I don’t want to make use this project as
shortcut to only submitting your project. No! This is wrong so try to learn
some live coding from this project.
Commercial use of this project without consent is
prohibited.
Project Description
This helps to manage stock and
billing of a whole shale shop. Primary this project was design for a shoes shop
but it can be apply the business which sells some company project which has
further some sub type. All the entry left blank. So you can create your own entry.
Some demo records are in download database for sake for understood of project
work flow. One you will be understands work flow then you customize this
project as your requirement.
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Friday 28 April 2017
Inheritance OOP
Inheritance (Object Oriented Programming)
In object-oriented programming,Inheritance allows us to define a class which is based on another class, which makes it easier to create and maintain an application. This also provides an opportunity to reuse the code functionality and fast implementation time.The derived class is also called subclass and the base class is also known as super-class. The derived class can add its own additional variables and methods. These additional variable and methods differentiates the derived class from the base class.inheritance saves our money and time both because we use predefined compile and tested class which increase quality of software.
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Tuesday 25 April 2017
Function Pointer
Function pointer is a type of pointer which points a function or code block. You can assign address of a function to function pointer variable and that function using function pointer variable name.
I have a bad experience while making Calculator. In my design all the calculation takes place when user pressed equal button. When a user pressed equal button I need to check every time which operator user was pressed , checked by switch case, it become complicated then I increase more function in my calculator because of lots condition for operator check and attached code for particular logic separately.
Now my work becomes simple because of function pointer because I just need to check operator pressed by user and attached related function code to function pointer. It reduces lots of condition checking and assigns separate code to each section. So function pointer is very useful in some specific scenario.
Advantage of function pointer
- Implement Callback
- Useful in event handling
- One entry point for more than one code block
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Monday 24 April 2017
C language function precedence
Question :
Which of the following is the correct order if calling functions in the below code?a = f1(23, 14) * f2(12/4) + f3();
A) f1, f2, f3B) f3, f2, f1
C) Order may vary from compiler to compiler
D) None of the above
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
NIELIT O Level C Language Solve Paper July-15
NIELIT O Level C Language Solve Paper with Answer July-15
1 Objective
1.1 A
Explanation : See operator priority table
1.2: A
1.2: A
Explanation : Test Yourself By click this link
1.3 : C
Explanation : Continue statement transfer control to start of loop and when condition will be wrong else stops loop So string will be printed 0 times because its after else statement.
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Sunday 23 April 2017
Microsoft Word Mail Merge
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Thursday 13 April 2017
SQL Join Graphics Representation
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Tuesday 11 April 2017
O Level Solve Paper Jan 16
O Level Solved Paper
January, 2016 M4.1-R4: APPLICATION OF .NET TECHNOLOGY
Solved Paper
Objective Type Answer
1.1 : B
1.2 : C
1.3: D
1.4 : A
Explanation : Supports all classes in the .NET Framework class hierarchy and provides low-level services to derived classes. This is the ultimate base class of all classes in the .NET Framework; it is the root of the type hierarchy.
1.5 : D
1.2 : C
1.3: D
1.4 : A
Explanation : Supports all classes in the .NET Framework class hierarchy and provides low-level services to derived classes. This is the ultimate base class of all classes in the .NET Framework; it is the root of the type hierarchy.
1.5 : D
Explanation : The IHttpHandlerFactory interface creates and manages HTTP handlers for processing requests. Therefore, you can create a class that implements the IHttpHandlerFactory interface, and then use that class as an HTTP handler.
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Sunday 9 April 2017
NIELIT A Level Solve Paper
Java -July-2016
A10.1-R4: INTRODUCTION TO OBJECT ORIENTED PROGRAMMING THROUGH JAVA
PART ONE
(Answer all the questions)
1. Each question below gives a multiple choice of answers. Choose the most appropriate one and enter in the “OMR”answer sheet supplied with the question paper, following instructions therein. (1x10)
1.1 Which of the following class is a superclass that declares the common features of GUIcomponents in packages java.awt and javax.swing?
A) Component
B) Container
C) Panel
D) Frame
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Java Solved Paper
NIELIT A Level Solve Paper
Core Java January, 2016
A10.1-R4: INTRODUCTION TO OBJECT-ORIENTED PROGRAMMING THROUGH JAVA
PART ONE
(Answer all the questions)
1. Each question below gives a multiple choice of answers. Choose the most appropriate one and enter in the “OMR” answer sheet supplied with the question paper, following instructions therein. (1x10)
1.1 Which of the following is valid long literal?A) 0x99fffL
B) ABCDEFG
C) 0x99fffa
D) 99671246
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
NIELIT A Level Solve Paper
Core Java Solved July, 2015
A10.1-R4: INTRODUCTION TO OBJECT-ORIENTED PROGRAMMING THROUGH JAVA
PART ONE
(Answer all the questions)
1. Each question below gives a multiple choice of answers. Choose the most appropriate one and enter in the “OMR” answer sheet supplied with the question paper, following instructions therein. (1x10)
1.1 What does the expression 1.0 / 0.0 return?A) Double.NaN
B) 0.0
C) Run time exception is generated
D) Double.INFINITY
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Friday 7 April 2017
Java Sample Paper
NIELIT A Level Java Soled Paper
January, 2015
A10.1-R4: INTRODUCTION TO OBJECT-ORIENTED PROGRAMMING THROUGH JAVA
PART ONE
(Answer all the questions)
1. Each question below gives a multiple choice of answers. Choose the most appropriate one and enter in the “OMR” answer sheet supplied with the question paper, following instructions therein. (1x10)
1.1 Which one of the following is not an AWT Event class?A) MenuEvent
B) MouseEvent
C) ActionEvent
D) InputEvent
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Thursday 6 April 2017
Java Solved Paper
NIELIT A LEVEL Java Solve Paper
July, 2014
A10.1-R4: INTRODUCTION TO OBJECT ORIENTED PROGRAMMING THROUGH JAVA
PART ONE
(Answer all the questions)
1. Each question below gives a multiple choice of answers. Choose the most appropriate one and enter in the “OMR” answer sheet supplied with the question paper, following instructions therein. (1x10)
A) Instance block
B) Static block
C) Final method
D) All of the above
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Java Solved Paper
NIELIT Java Sample Paper Solved
July, 2013
A10.1-R4: INTRODUCTION TO OBJECT ORIENTED PROGRAMMING THROUGH JAVA
PART ONE
(Answer all the questions)
1. Each question below gives a multiple choice of answers. Choose the most appropriate one and enter in the “OMR” answer sheet supplied with the question paper, following instructions therein. (1x10)
1.1 Which is a valid key word in Java?
A) Integer
B) unsigned
C) string
D) class
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Wednesday 5 April 2017
Java Solved Paper
NIELIT A Level Solve Paper
January-2013
A10.1-R4: INTRODUCTION TO OBJECT-ORIENTED PROGRAMMING THROUGH JAVA
PART ONE
(Answer all the questions)
1. Each question below gives a multiple choice of answers. Choose the most appropriate one and enter in the “tear-off” answer sheet attached to the question paper, following instructions therein. (1x10)
1.1 The basic design strategies embedded in object-oriented programming is/are
A) Abstraction
B) Composition
C) Generalization
D) All of the above
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Tuesday 4 April 2017
NIELIT A Level Java Solve Paper Jan-14
January, 2014
A10.1-R4: INTRODUCTION TO OBJECT ORIENTED PROGRAMMING THROUGH JAVA
PART ONE
(Answer all the questions)
1. Each question below gives a multiple choice of answers. Choose the most appropriate one and enter in the “OMR” answer sheet supplied with the question paper, following instructions therein. (1x10)
1.1 Methods used to obtain information about an object are known as
A) accessor methods
B) setter methods
C) mutator methods
D) none of the above
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
NIELIT A Level Java Solve Paper July-12
July, 2012
A10.1-R4: INTRODUCTION TO OBJECT ORIENTED PROGRAMMING THROUGH JAVA
PART ONE
(Answer all the questions)
1. Each question below gives a multiple choice of answers. Choose the most appropriate one and enter in the “tear-off” answer sheet attached to the question paper, following instructions therein. (1x10)
1.1 In UML diagram of a class
A) state of object cannot be represented
B) state is irrelevant
C) state is represented as an attribute
D) state is represented as a result of an operation
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Monday 3 April 2017
What is MAN
NIELIT O Level Solved Paper
Internet and Web Technology
Q: Define MAN. Write down three important features that discriminate MAN from WAN.
A metropolitan area network (MAN) is a network that connect users
with computer resources in a geographic area or region larger than that covered
by even a large local area network (LAN) but smaller than the area covered by a
wide area network (WAN). The term is applied to the interconnection of networks
in a city into a single larger network (which may then also offer efficient
connection to a wide area network). It is also used to mean the interconnection
of several local area networks by bridging them with backbone lines. The latter
usage is also sometimes referred to as a campus network.
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
What is Topology
Nielit O Level Solved Paper
Internet and Web Design
Q: Explain in brief: Bus, Star and Ring Network Topologies
Physical and logical arrangement of devices with a network is known as Topology.
Bus Topology
A bus topology is a network setup in which each computer and
network device are connected to a single cable or backbone.A signal from the source is broadcasted and it travels to
all workstations connected to bus cable. Although the message is broadcasted
but only the intended recipient, whose MAC address or IP address matches,
accepts it. If the MAC /IP address of machine doesn’t match with the intended
address, machine discards the signal.
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Saturday 1 April 2017
Microsoft Word Table Index
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Friday 31 March 2017
Describe the ISDN
Q 5 (a). Describe the ISDN ?
Integrated Services Digital Network (ISDN)
Integrated Services Digital Network (ISDN) is a telephone system network. It is a wide area network which is widely available. Before to the ISDN, the telephone system was viewed as a way to transport only voice, with some special services available for data. The key feature of the ISDN is that it integrates speech and data on the same lines, adding features that were not available in the classic telephone system.
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Tuesday 28 March 2017
Database relationship
Microsoft Access is an example of relational database. In
relational data base we can join a table to more than one table which makes
relationship. With this capability our access database becomes more powerful
than non-relational data base category. Consistency of database become easy and
easily achieve by database on automatically. If you want to make relationship in access database
then you need at least two tables and one field must be common in both tables. For
example, we are going to make relationship between two tables’ student and canteen.
Student table store record of student and canteen stores what the products
students are having. So in this type of relationship student is master table
and canteen is related table. So student table need a primary key which uniquely
identified a record from student table. Canteen table must have a key which match
the data type of student table primary key which further known as foreign key.
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Monday 27 March 2017
January 2016 M2-R4 INTERNET TECHNOLOGY AND WEB DESIGN
January 2016 INTERNET TECHNOLOGY AND WEB DESIGN
Answer Key
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Core Java Assignment 25
A10.1-R4: INTRODUCTION TO OBJECT ORIENTED PROGRAMMING THROUGH JAVA.
Assignment 25
Some combined bath-showers have two faucets and a lever for controlling the flow of the
water. The lever controls whether the water flows from the showerhead or directly into the
tub. When the water is first turned on, it flows directly into the tub. When the lever is
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Core Java Assignment 24
A10.1-R4: INTRODUCTION TO OBJECT ORIENTED PROGRAMMING THROUGH JAVA.
Assignment 24
A simple digital watch has a display and two buttons to set it, the “A” button and the “B”
button. The watch has two modes of operation, display time and set time. In the display
time mode, hours and minutes are displayed, separated by a flashing colon. The set time
mode has two sub-modes, set hours and set minutes. The “A” button is used to select
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Core Java Assignment 23
A10.1-R4: INTRODUCTION TO OBJECT ORIENTED PROGRAMMING THROUGH JAVA.
Assignment 23
The direction control for some of the first toy electric trains was accomplished by
interrupting the power to the train. Prepare state diagrams for the headlight and wheels of
the train, corresponding to the following scenario:
Power is off, train is not moving.
Power is turned on, train moves forward and train headlight shines.
Power in turned off, train stops and headlight goes out.
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Core Java Assignment 22
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Core Java Assignment 21
A10.1-R4: INTRODUCTION TO OBJECT ORIENTED PROGRAMMING THROUGH JAVA.
Assignment 21
The following is a partial taxonomy of rotating electrical machines. Electrical machines may
be categorized for analysis purposes into alternating current (ac) or direct current (dc).
Some machines run on ac, some on dc, and some will run on either. An ac machine may
be synchronous or induction. A few examples of electrical machines include large
synchronous motors, small induction motors, universal motors, and permanent magnet
motors. Most motors found in the homes are usually induction machines or universal
motors. Universal motors are typically used in where high speed is needed such as in
blenders or vacuum cleaners. They will run on either “AC” or “DC”. Permanent magnet
motors are frequently used in toys and will work only on dc.
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Core Java Assignment 20
A10.1-R4: INTRODUCTION TO OBJECT ORIENTED PROGRAMMING THROUGH JAVA.
Assignment 20
Draw use case diagram for the parking ticket payment system .The information for the
system is given below:
a) Patrol Officer enters ticket information. (ticket status = unpaid)
b) Ticket Holder views her ticket by ticket number. (ticket status = unpaid)
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Core Java Assignment 19
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Core Java Assignment 18
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Core Java Assignment 17
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Core Java Assignment 16
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Core Java Assignment 15
A10.1-R4: INTRODUCTION TO OBJECT ORIENTED PROGRAMMING THROUGH JAVA.
Assignment 15
The Indian Airlines has launched a fast transportation service, using their supersonic passenger airplanes. You are hired by the Indian Airlines for maintaining their database. It contains only a single table, called Route, which holds all pairs of cities with a directed connection, the distance between them, and the type of aircraft used for that trip. An example table is given below:
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Sunday 26 March 2017
Microsoft Word : Page Layout Hindi Tutorial
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Thursday 23 March 2017
Optical Illusion
In optical illusion mind send signal whatever it interpret at
first look mind create an image by its entire surrounding image. Some time
surround image background prevents our mind to accept truth.
An optical illusion (also called a visual illusion) is an
illusion caused by the visual system and characterized by visually perceived
images that differ from objective reality. The information gathered by the eye
is processed in the brain to give a perceptive that does not tally with a physical
measurement of the stimulus source.
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
Wednesday 22 March 2017
Microsoft Word : Graphics Hindi Tutorial
A programmer and Founder of Girfa
IT Services, working from 2009.At Starting computer teaching was my full-time job but after 10 years of teaching I chose to programming as a full-time job and teaching become part-time. In real life, I am very lazy and I made it my coding style I always try to make a reusable component that’s my USP for programming which saves my time and extra working both.
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