Solved : NIELIT (O-Level) PROGRAMMING & PROBLEM SOLVING THROUGH ‘C’ LANGUAGE , July 18

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 programming method is followed in C language?

A) Algorithm B) Flow-charts

C) Procedural D) Object Oriented
Answer

1.2 : getchar() function is available in which header file?

A) stdio.h B) conio.h

C) math.h D) header.h

Answer

1.3 : Find the output of following code

int main()

{

int i=-2;

printf(“-i = %d”,-i);

return 0;

}

A) -i=2 B) i=-2

C) -i=-2 D) -i=+2

Answer

1.4 : Which numbering system is not handled directly by the printf() conversion specifiers?

A) Decimal B) Binary

C) Octal D) Hexadecimal

Answer

1.5 : Which of the following is an incorrect assignment statement?

A) N=m=0 B) Value+=10

C) mySize=x<y?9:11 D) Value=+=10

Answer

1.6 : What will be the output of the following program?

int main()

{

int x=5;

printf(“%d %d %d”,x,x<<2,x>>2);

}

A) 1 20 5 B) 5 1 20

C) 5 20 1 D) 20 1 5

Answer

1.7 : A programming construct in which a set of statement in a computer program can be executed repeatedly.

A) Loop statement B) Conditional statement

C) Block statement D) All of the above

Answer

1.8 : What will be the output of following program?

int main()

{

for(int c=1;c<=5;++c);

printf(“%d”,c);

}

A) 1 B) 5

C) 6 D) 12345

Answer

1.9 : In C, if you pass an array as an argument to a function, what actually gets passed?

A) Value of elements in array

B) First element of the array

C) Base address of the array

D) Address of the last element of array

Answer

1.10 : How many times is a do while loop guaranteed to loop?

A) 0 B) Infinitely

C) 1 D) Variable

Answer

2. Each statement below is either TRUE or FALSE. Choose the most appropriate one and enter your choice in the “OMR” answer sheet supplied with the question paper, following instructions therein. (1x10)

2.1 Function can be called either by value or reference.

2.2 A function cannot be defined inside another function.

2.3 Are the three declarations char **apple, char *apple[], and char apple[][] same?

2.4 A long double can be used if range of a double is not enough to accommodate a real number.

malloc() allocates memory from the heap and not from the stack.

2.6 While calling the fprintf() function in the format string conversion specifier %s can be used to write a character string in capital letters.

2.7 A union cannot be nested in a structure.

2.8 The modulus operator cannot be used with a long double.

2.9 If the file to be included doesn't exist, the preprocessor flashes an error message.

2.10 A linked list is a linear data structure where each element is a separate object.

Answer

3. Match words and phrases in column X with the closest related meaning/ word(s)/phrase(s) in column Y. Enter your selection in the “OMR” answer sheet supplied with the question paper, following instructions therein. (1x10)

X		Y
3.1	Calls itself	A.	Infinite loop if no break statement inside the loop
3.2	String copy	B.	A user-defined data type in C which allows you to combine different data types to store a particular type of record.
3.3	Unary operator	C.	Modify the size of previously allocated space
3.4	while(2)	D.	Recursive functions
3.5	Structure	E.	strcpy()
3.6	realloc	F.	Explicit conversion
3.7	exit()	G.	--
3.8	Typecasting	H.	Collection of similar type of data elements
3.9	‘\v ‘ used for	I.	logical operators
3.10	Array is a	J.	strcat()
		K.	Terminates program
		L.	Vertical space
		M.	+

Answer

4. Each statement below has a blank space to fit one of the word(s) or phrase(s) in the list below. Choose the most appropriate option, enter your choice in the “OMR” answer sheet supplied with the question paper, following instructions therein. (1x10)