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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 6

50 questions

Question 1

Multiprogramming was made possible by:

A.
Input/output units that operate independently of the CPU
B.
Operating systems
C.
Both (A) and (B)
D.
Neither (A) nor (B)

Question 2

50

What is the name of the system which deals with the running of the actual computer and not with the programming problems?

A.
Operating system
B.
Objective program
C.
System program
D.
Source program

Question 3

Which of the following scheduling objectives should be applied to the following: the system should admit jobs to create a mix that will keep most devices busy?

A.
To be fair
B.
To obey priorities
C.
To balance resource utilization
D.
To be predictable

Question 4

Which policy replaces a page if it is not in the favored subset of a process’s pages?

A.
FIFO
B.
LFU
C.
LRU
D.
Working set

Question 5

In which of the storage placement strategies a program is placed in the smallest available hole in the main memory?

A.
Best fit
B.
Worst fit
C.
First fit
D.
Buddy

Question 6

Which of the following statements is false?

A.
Protection in segmentation systems is more natural than in paging systems
B.
Sharing is more natural in segmentation systems than in paging systems
C.
Associative memory speeds up the dynamic address translation
D.
Every cell of the associative memory is searched sequentially

Question 7

Can you name the major operating system used in computers?

A.
MS DOS
B.
UNIX
C.
OS/2
D.
All of the above

Question 8

What is the name of the operating system which was originally designed by scientists and engineers for use by scientists and engineers?

A.
XENIX
B.
OS/2
C.
UNIX
D.
MS DOS

Question 9

Which are the most important features of Microsoft Windows program?

A.
Windows
B.
Icons
C.
Pull-down menus
D.
All of the above

Question 10

What is the name given to the organized collection of software that controls the overall operation of a computer?

A.
Working system
B.
Operating system
C.
Peripheral system
D.
Controlling system

Question 11

What is the name given to the values that are automatically provided by software to reduce keystrokes and improve a computer user’s productivity?

A.
Defined values
B.
Default values
C.
Fixed values
D.
Special values

Question 12

Producer-consumer problem can be solved using:

A.
Semaphores
B.
Monitors
C.
Event counters
D.
All of the above

Question 13

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 14

A process is:

A.
Program in high-level language kept on disk
B.
Contents of main memory
C.
A program in execution
D.
A job in secondary memory

Question 15

In which addressing mode the effective address of the operand is the contents of a register specified in the instruction and after accessing the operand, the contents of this register is incremented to point to the next item in the list?

A.
Index addressing
B.
Auto increment
C.
Indirect addressing
D.
Auto decrement

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

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 18

Which of the following statements is false?

A.
A small page size causes large page tables
B.
Internal fragmentation is increased with small pages
C.
A large size causes instructions and data that will not be referenced to be brought into primary storage
D.
I/O transfers are more efficient with large pages

Question 19

The powerful text editor called PC-Write can be used by anybody by paying a small fee. Such programs are called:

A.
Software
B.
Firmware
C.
Shareware
D.
Mindware

Question 20

What is the name of the operating system that reads and reacts in terms of actual time?

A.
Batch system
B.
Real-time system
C.
Quick response system
D.
Time-sharing system

Question 21

What is the name of the technique in which the operating system of a computer executes several programs concurrently by switching back and forth between them?

A.
Partitioning
B.
Windowing
C.
Multitasking
D.
Paging

Question 22

What is the name given to the software which can be legally compiled and often used for free?

A.
Shareware program
B.
Firmware program
C.
Public domain program
D.
Mindware

Question 23

All the time a computer is switched on, its operating system software has to stay in:

A.
Main storage
B.
Floppy disk
C.
Primary storage
D.
Disk drive

Question 24

A front-end processor is usually used in:

A.
Multiprogramming
B.
Timesharing
C.
Virtual storage
D.
Multiprocessing

Question 25

The problem of thrashing is affected significantly by:

A.
Program structure
B.
Primary-storage size
C.
Program size
D.
All of the above

Question 26

Two basic types of operating systems are:

A.
Sequential and direct
B.
Sequential and real-time
C.
Batch and timesharing
D.
Batch and interactive

Question 27

Remote computing service involves the use of timesharing and:

A.
Multiprocessing
B.
Batch processing
C.
Interactive processing
D.
Real-time processing

Question 28

Non-modifiable procedures are called:

A.
Serially unusable procedures
B.
Reentrant procedures
C.
Concurrent procedures
D.
Top-down procedures

Question 29

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 30

The main function of the dispatcher (the portion of the process scheduler) is:

A.
Swapping a process to the disk
B.
Assigning ready processes to the CPU
C.
Suspending some of the processes when the CPU load is high
D.
Bringing processes from the disk to the main memory

Question 31

The primary job of the operating system of a computer is to:

A.
Command resources
B.
Provide utilities
C.
Manage resources
D.
Be user-friendly

Question 32

The operating system of a computer serves as a software interface between the user and:

A.
Hardware
B.
Memory
C.
Peripheral
D.
Screen

Question 33

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

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

Question 34

A system program that combines the separately compiled modules of a program into a form suitable for execution is:

A.
Assembler
B.
Cross compiler
C.
Linking loader
D.
Load and go

Question 35

What problem is solved by Dijkstra’s banker’s algorithm?

A.
Mutual exclusion
B.
Deadlock avoidance
C.
Deadlock recovery
D.
Cache coherence

Question 36

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 37

Banker’s algorithm for resource allocation deals with:

A.
Deadlock prevention
B.
Deadlock recovery
C.
Deadlock avoidance
D.
Mutual exclusion

Question 38

To avoid race conditions, the maximum number of processes that may be simultaneously inside the critical section is:

A.
Hundred
B.
One
C.
Two
D.
Three

Question 39

Daisy chain is a device for:

A.
Connecting a number of controllers to a device
B.
Connecting a number of devices to a controller
C.
Interconnecting a number of devices to a number of controllers
D.
All of the above

Question 40

Scissoring enables:

A.
A part of data to be displayed
B.
Entire data to be displayed
C.
Full data displayed
D.
No data to be displayed

Question 41

Information in memory that is no longer valid or wanted is known as:

A.
Non-volatile
B.
Surplus
C.
Volatile
D.
Garbage

Question 42

Which of the following is a type of systems software used on microcomputers?

A.
MS-DOS
B.
Unix
C.
PC-DOS
D.
All of the above

Question 43

Which of the following are loaded into main memory when the computer is booted?

A.
Internal command instructions
B.
External command instructions
C.
Utility programs
D.
Word processing instructions

Question 44

What is the name of the operating system for the laptop computer called MacLife?

A.
Windows
B.
MS-DOS
C.
DOS
D.
OZ

Question 45

What is the operating system used by Macintosh computers?

A.
System 7.0
B.
Unix
C.
AU/X
D.
Either A or B

Question 46

Who developed the operating system/2 (OS/2) for running IBM’s new PS/2 family of microcomputers?

A.
IBM
B.
Bell Laboratories
C.
Microsoft Inc.
D.
Digital Research Corporation

Question 47

In which addressing mode the operand is given explicitly in the instruction?

A.
Absolute mode
B.
Indirect mode
C.
Immediate mode
D.
Index mode

Question 48

Which of the following programs is not a utility?

A.
Debugger
B.
Spooler
C.
Editor
D.
All of the above

Question 49

Job Control Language (JCL) statements are used to:

A.
Read the input from the slow-speed magnetic disk
B.
Specify to the operating system, the beginning and end of a job in a batch
C.
Allocate the CPU to a job
D.
All of the above

Question 50

Operating system is:

A.
A collection of hardware components
B.
A collection of input-output devices
C.
A collection of software routines
D.
All of the above

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