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Syllabus

NEC Computer · Practice

Chapters & sets

1. Basic Electrical and Electronics

Basic Electrical

Set 1106

Basic Electronics

Set 171 Set 233

2. Digital Logic and Microprocessor

Digital Logic

Set 150 Set 250 Set 350 Set 450 Set 550 Set 650 Set 749 Set 851 Set 950 Set 1050 Set 1150 Set 1232

Microprocessor

Set 150 Set 250 Set 350 Set 445 Set 550 Set 650 Set 720 Set 850 Set 969

3. Programming Language and Its Applications

Mixed chapter MCQs

Set 150 Set 249 Set 349 Set 451 Set 540

4. Computer Organization and Embedded System

Mixed chapter MCQs

Set 150 Set 249 Set 350 Set 450 Set 550 Set 650 Set 750 Set 849 Set 950 Set 1050 Set 1150

5. Concept of Computer Network and Network Security System

Basic Networking

Set 150 Set 253

Advanced Networking

Set 150 Set 250 Set 350 Set 450 Set 550 Set 655

6. Theory of Computation and Computer Graphics

Theory of Computation

Set 150 Set 250 Set 360

Computer Graphics

Set 150 Set 251 Set 350 Set 450 Set 550

7. Data Structures and Algorithm, Database System and Operating System

8. Software Engineering and Object-Oriented Analysis & Design

Mixed chapter MCQs

Set 150 Set 250 Set 350 Set 450 Set 550 Set 650 Set 750 Set 926

9. Artificial Intelligence and Neural Networks

Mixed chapter MCQs

Set 150 Set 317 Set 450 Set 550 Set 650 Set 750 Set 850 Set 932

10. Project Planning, Design and Implementation

Engineering Drawing

Set 150 Set 267

Engineering Economics

Set 168

Project Planning & Scheduling

Set 188

Project Mangement

Set 150

Engineering Professional Practice

Set 120

Engineering Regulatory Body

Set 130

Operating System Set 4

50 questions

Question 1

A computer program written in a high-level language is called a:

A.
Source program
B.
Machine language program
C.
Object program
D.
None of the above

Question 2

50

A compiler can diagnose:

A.
Grammatical errors only
B.
Logical errors only
C.
Grammatical as well as logical errors
D.
Neither grammatical nor logical errors

Question 3

Compilers are generally written by:

A.
Computer manufacturers
B.
Professional programmers
C.
Computer users
D.
System analysts

Question 4

A programmer, by mistake, writes an instruction to divide instead of multiply. Such an error can be detected by a/an:

A.
Compiler
B.
Compiler or interpreter both
C.
Interpreter
D.
Neither compiler nor interpreter

Question 5

Which is not true about ‘syntax’ and ‘semantics’ parts of a computer language?

A.
Syntax is generally checked by the programmer
B.
Semantics is the responsibility of the programmer
C.
Semantics is checked mechanically by a computer
D.
Both (B) and (C)

Question 6

A series of statements explaining how the data is to be processed is called:

A.
Instruction
B.
Program
C.
Compiler
D.
Interpreter

Question 7

The computer language generally translated to pseudo code is:

A.
Assembly
B.
Pascal
C.
Machine
D.
PL/I

Question 8

Application programs used with microcomputers are generally written by:

A.
The users themselves
B.
Hardware suppliers
C.
A team of experts known as ‘third parties’
D.
IBM

Question 9

What is true about machine language?

A.
It is understood by the computer
B.
It varies from one model of computer to another
C.
It may always be represented by binary numbers
D.
All of the above are true

Question 10

Object program is:

A.
A program written in machine language
B.
A program to be translated into machine language
C.
The translation of a high-level language into machine language
D.
None of the above

Question 11

What is true about assembly language?

A.
It uses symbolic codes
B.
It does not vary from one type of computer to another
C.
It uses binary numbers
D.
None of the above

Question 12

The process of transferring data intended for a peripheral device into a disk (or intermediate store) so that it can be transferred to the peripheral at a more convenient time or in bulk is known as:

A.
Multiprogramming
B.
Caching
C.
Spooling
D.
Virtual programming

Question 13

A form of code that uses more than one process and processor, possibly of different types, and that may on occasion have more than one process or processor active at the same time is known as:

A.
Multiprogramming
B.
Broadcasting
C.
Multithreading
D.
Time sharing

Question 14

Situations where two or more processes are reading or writing some shared data and the final result depends on who runs precisely when are called:

A.
Race conditions
B.
Mutual exclusion
C.
Critical sections
D.
Message passing

Question 15

Part of a program where the shared memory is accessed and which should be executed indivisibly is called:

A.
Semaphores
B.
Critical section
C.
Directory
D.
Mutual exclusion

Question 16

A relationship between processes such that each has some part (critical section) which must not be executed while the critical section of another is being executed is known as:

A.
Semaphore
B.
Multiprogramming
C.
Mutual exclusion
D.
Multitasking

Question 17

Which of the following operating systems use write-through caches?

A.
UNIX
B.
ULTRIX
C.
DOS
D.
XENIX

Question 18

A disk scheduling algorithm in an operating system causes the disk arm to move back and forth across the disk surface in order to service all requests in its path. This is a:

A.
First come first served
B.
SCAN
C.
Shortest Seek Time First (SSTF)
D.
Eschenbach scheme

Question 19

A system program that sets up an executable program in main memory ready for execution is:

A.
Assembler
B.
Loader
C.
Linker
D.
Text editor

Question 20

A compiler for a high-level language that runs on one machine and produces code for a different machine is called:

A.
Optimizing compiler
B.
Cross compiler
C.
One-pass compiler
D.
Multi-pass compiler

Question 21

An instruction in a programming language that is replaced by a sequence of instructions prior to assembly or compiling is known as:

A.
Procedure name
B.
Label
C.
Macro
D.
Literal

Question 22

Which of the following translator programs converts assembly language program to object program?

A.
Assembler
B.
Macro processor
C.
Compiler
D.
Linker

Question 23

Which of the following system programs forgoes the production of object code to generate absolute machine code and load it into the physical main storage location from which it will be executed immediately upon completion of the assembly?

A.
Two-pass assembler
B.
Microprocessor
C.
Load-and-go assembler
D.
Compiler

Question 24

System programs such as compilers are designed so that they are:

A.
Reentrant
B.
Serially usable
C.
Non-reusable
D.
Recursive

Question 25

Memory:

A.
Is a device that performs a sequence of operations specified by instructions in memory
B.
Is the device where information is stored
C.
Is a sequence of instructions
D.
Is typically characterized by interactive processing and time-slicing of the CPU’s time to allow quick response to each user

Question 26

A program:

A.
Is a device that performs a sequence of operations specified by instructions in memory
B.
Is the device where information is stored
C.
Is a sequence of instructions
D.
Is typically characterized by interactive processing and time-slicing of the CPU’s time to allow quick response to each user

Question 27

A processor:

A.
Is a device that performs a sequence of operations specified by instructions in memory
B.
Is the device where information is stored
C.
Is a sequence of instructions
D.
Is typically characterized by interactive processing and time-slicing of the CPU’s time to allow quick response to each user

Question 28

An assembler is:

A.
A program that places programs into memory and prepares them for execution
B.
A program that automates the translation of assembly language into machine language
C.
A program that accepts a program written in a high-level language and produces an object program
D.
A program that appears to execute a source program as if it were machine language

Question 29

An interpreter is:

A.
A program that places programs into memory and prepares them for execution
B.
A program that automates the translation of assembly language into machine language
C.
A program that accepts a program written in a high-level language and produces an object program
D.
A program that appears to execute a source program as if it were machine language

Question 30

A compiler is:

A.
A program that places programs into memory and prepares them for execution
B.
A program that automates the translation of assembly language into machine language
C.
A program that accepts a program written in a high-level language and produces an object program
D.
A program that appears to execute a source program as if it were machine language

Question 31

A loader is:

A.
A program that places programs into memory and prepares them for execution
B.
A program that automates the translation of assembly language into machine language
C.
A program that accepts a program written in a high-level language and produces an object program
D.
A program that appears to execute a source program as if it were machine language

Question 32

Virtual Memory

A.
Is a method of memory allocation by which the program is subdivided into equal portions, or pages, and core is subdivided into equal portions or blocks
B.
Consists of those addresses that may be generated by a processor during execution of a computation
C.
Is a method of allocating processor time
D.
Allows multiple programs to reside in separate areas of core at the time

Question 33

Paging

A.
Is a method of memory allocation by which the program is subdivided into equal portions or pages and core is subdivided into equal portions or blocks
B.
Consists of those addresses that may be generated by a processor during execution of a computation
C.
Is a method of allocating processor time
D.
Allows multiple programs to reside in separate areas of core at the time

Question 34

Multiprogramming

A.
Is a method of memory allocation by which the program is subdivided into equal portions or pages and core is subdivided into equal portions or blocks
B.
Consists of those addresses that may be generated by a processor during execution of a computation
C.
Is a method of allocating processor time
D.
Allows multiple programs to reside in separate areas of core at the time

Question 35

The Memory Buffer Register (MBR)

A.
Is a hardware memory device which denotes the location of the current instruction being executed
B.
Is a group of electrical circuits (hardware) that performs the intent of instructions fetched from memory
C.
Contains the address of the memory location that is to be read from or stored into
D.
Contains a copy of the designated memory location specified by the MAR after a “read” or the new contents of the memory prior to a “write”

Question 36

The Memory Address Register (MAR)

A.
Is a hardware memory device which denotes the location of the current instruction being executed
B.
Is a group of electrical circuits (hardware) that performs the intent of instructions fetched from memory
C.
Contains the address of the memory location that is to be read from or stored into
D.
Contains a copy of the designated memory location specified by the MAR after a “read” or the new contents of the memory prior to a “write”

Question 37

The Instruction Register (IR)

A.
Is a hardware memory device which denotes the location of the current instruction being executed
B.
Is a group of electrical circuits (hardware) that performs the intent of instructions fetched from memory
C.
Contains the address of the memory location that is to be read from or stored into
D.
Contains a copy of the designated memory location specified by the MAR after a “read” or the new contents of the memory prior to a “write”

Question 38

Advantage(s) of using assembly language rather than machine language is (are):

A.
It is mnemonic and easy to read
B.
Addresses are symbolic, not absolute
C.
Introduction of data to the program is easier
D.
All of the above

Question 39

Pass 1 of an assembler:

A.
Assigns addresses to all statements in the program
B.
Saves the values assigned to all labels for use in Pass 2
C.
Performs some processing of assembler directives
D.
All of the above

Question 40

Pass 2 of an assembler:

A.
Assembles instructions and generates data
B.
Performs processing of assembler directives not done during Pass 1
C.
Writes the object program and the assembly listing
D.
All of the above

Question 41

The System/370 assembler language:

A.
Allows the programmer to write base registers and displacements explicitly in the source program
B.
Is used to remember which of the general-purpose registers are currently available as base registers, and what base addresses they contain
C.
Allows multiple programs to reside in separate areas of core at the same time
D.
Is a term that refers to the control programs of an operating system

Question 42

A base register table:

A.
Allows the programmer to write base registers and displacements explicitly in the source program
B.
Is used to remember which of the general-purpose registers are currently available as base registers, and what base addresses they contain
C.
Allows multiple programs to reside in separate areas of core at the same time
D.
Is a term that refers to the control programs of an operating system

Question 43

Addressing structure:

A.
Defines the fundamental method of determining effective operand addresses
B.
Are variations in the use of fundamental addressing structures, or some associated actions which are related to addressing
C.
Performs indicated operations on two fast registers of the machine and leaves the result in one of the registers
D.
All of the above

Question 44

Addressing modes:

A.
Defines the fundamental method of determining effective operand addresses
B.
Are variations in the use of fundamental addressing structures, or some associated actions which are related to addressing
C.
Performs indicated operations on two fast registers of the machine and leaves the result in one of the registers
D.
All of the above

Question 45

The Register-to-Register (RR) instructions:

A.
Have both their operands in the main store
B.
Perform an operation on a register operand and an operand located in the main store, generally leaving the result in the register
C.
Perform indicated operations on two fast registers of the machine and leave the result in one of the registers
D.
All of the above

Question 46

The Register-to-Storage (RS) instructions:

A.
Have both their operands in the main store
B.
Perform an operation on a register operand and an operand located in the main store, generally leaving the result in the register
C.
Perform indicated operations on two fast registers of the machine and leave the result in one of the registers
D.
All of the above

Question 47

The Storage-to-Storage (SS) instructions:

A.
Have both their operands in the main store
B.
Perform an operation on a register operand and an operand located in the main store, generally leaving the result in the register
C.
Perform indicated operations on two fast registers of the machine and leave the result in one of the registers
D.
All of the above

Question 48

Which of the following are Language Processors?

A.
Assemblers
B.
Interpreters
C.
Compilers
D.
All of the above

Question 49

The specific tasks Storage Manager performs are:

A.
Allocation/deallocation of storage to programs
B.
Protection of the storage area allocated to a program from illegal access by other programs in the system
C.
The status of each program
D.
Both (A) and (B)

Question 50

The process manager (or processor manager) has to keep track of:

A.
The status of each program
B.
The priority of each program
C.
The information management support to a programmer using the system
D.
Both (A) and (B)

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