Nielit A Level January, 2015 A4-R4: COMPUTER SYSTEM ARCHITECTURE

Nielit A Level January, 2015

A4-R4: COMPUTER SYSTEM ARCHITECTURE

NOTE:
IMPORTANT INSTRUCTIONS:
1. There are TWO PARTS in this Module/Paper. PART ONE contains FOUR questions and PART
TWO contains FIVE questions.
2. PART ONE is to be answered in the OMR ANSWER SHEET only, supplied with the question
paper, as per the instructions contained therein. PART ONE is NOT to be answered in the
answer book.
3. Maximum time allotted for PART ONE is ONE HOUR. Answer book for PART TWO will be
supplied at the table when the answer sheet for PART ONE is returned. However, candidates,
who complete PART ONE earlier than one hour, can collect the answer book for PART TWO

immediately after handing over the answer sheet for PART ONE.
TOTAL TIME: 3 HOURS TOTAL MARKS: 100
(PART ONE – 40; PART TWO – 60)

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 ________ is a circuit which has two stable states and can be used to store information.
A) Flip-flop
B) Logic circuit
C) Boolean circuit
D) Relational circuit

1.2 ________ selects one output signal from many input signals, hence it is also known as data
selector.
A) Encoder
B) Decoder
C) Multiplexer
D) Comparator

A Level July, 2015 A4-R4: COMPUTER SYSTEM ARCHITECTURE

A Level July, 2015

A4-R4: COMPUTER SYSTEM ARCHITECTURE

NOTE:
IMPORTANT INSTRUCTIONS:
1. There are TWO PARTS in this Module/Paper. PART ONE contains FOUR questions and
PART TWO contains FIVE questions.
2. PART ONE is to be answered in the OMR ANSWER SHEET only, supplied with the
question paper, as per the instructions contained therein. PART ONE is NOT to be
answered in the answer book.
3. Maximum time allotted for PART ONE is ONE HOUR. Answer book for PART TWO will be
supplied at the table when the answer sheet for PART ONE is returned. However,
candidates, who complete PART ONE earlier than one hour, can collect the answer book for
PART TWO immediately after handing over the answer sheet for PART ONE.

TOTAL TIME: 3 HOURS TOTAL MARKS: 100
(PART ONE – 40; PART TWO – 60)

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 64K memory contains ________ words of 8 bits each?
A) 65,536
B) 64,536
C) 65,436
D) 65,546

1.2 Which one of the following CPU registers holds the address of the instructions (instructions
in the program stored in memory) to be executed next?
A) MAR (Memory address register)
B) MBR (Memory Buffer Register)
C) IR (Instruction Register)
D) PC (Program Counter)

A Level Computer System Architecture Syllabus

Objective

Objective of the course is to familiarize students about hardware design including logic design, basic structure and behavior of the various functional modules of the computer and how they interact to provide the processing needs of the user. This subject mainly focuses on the computer hardware and system software. It aims to describe the following aspects—

• Building blocks of the computer
• Computer Design
• Assembly Language Programming   

O Level Syllabus- M1-R4: IT TOOLS AND BUSINESS SYSTEMS

Objective of the Course 

The goal of this course is to present overview of IT tools used in day to day use of computers and database operations. The Course has been designed to provide knowledge on various hardware and software components of computer, operating system, various packages used for different applications, data base concepts & operations and various issues related to IT and application of IT.