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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 11

50 questions

Question 1

Program ‘preemption’ is:

A.
Forced deallocation of the CPU from a program which is executing on the CPU
B.
Release of CPU by the program after completing its task
C.
Forced allotment of CPU by a program to itself
D.
A program terminating itself due to detection of an error

50

Question 2

An assembler is:

A.
Programming language dependent
B.
Machine dependent
C.
Syntax dependent
D.
Data dependent

Question 3

Which of the following is not a fundamental process state?

A.
Ready
B.
Executing
C.
Terminated
D.
Blocked

Question 4

LRU page replacement policy is:

A.
Last Replaced Unit
B.
Least Recently Used
C.
Last Restored Unit
D.
Least Required Unit

Question 5

Which of the following is true?

A.
Block cipher technique is an encryption technique
B.
Stream cipher technique is an encryption technique
C.
Both (A) and (B)
D.
Neither of (A) and (B)

Question 6

Which of the following approaches do not require knowledge of the system state?

A.
Deadlock detection
B.
Deadlock avoidance
C.
Deadlock prevention
D.
None of the above

Question 7

Program generation activity aims at:

A.
Automatic generation of program
B.
Organize execution of a program written in PL
C.
Skips generation of program
D.
Speed generation of program

Question 8

Which amongst the following is not an advantage of Distributed systems?

A.
Reliability
B.
Resource sharing
C.
Incremental growth
D.
None of the above

Question 9

An imperative statement:

A.
Reserves areas of memory and associates names with them
B.
Indicates an action to be performed during execution of assembled program
C.
Indicates an action to be performed during optimization
D.
None of the above

Question 10

Which of the following loader is executed when a system is first turned on or restarted?

A.
Boot loader
B.
Bootstrap loader
C.
Compile and Go loader
D.
Relating loader

Question 11

Poor response time is usually caused by:

A.
Process busy
B.
High paging rate
C.
High I/O rates
D.
Any of the above

Question 12

The “blocking factor” of a file is:

A.
The number of blocks accessible to a file
B.
The number of blocks allocated to a file
C.
The number of logical records in one physical record
D.
None of the above

Question 13

Which of these is a component of a process precedence sequence?

A.
Process name
B.
Concurrency operator
C.
Sequence operator ';'
D.
All of the above

Question 14

Which amongst the following is valid syntax of the Fork and Join Primitive?

A.
Fork
B.
For
C.
Fork
D.
Fork

Question 15

Nested Macro calls are expanded using the:

A.
FIFO rule (First in first out)
B.
FILO rule (First in last out)
C.
LIFO (Last in First out)
D.
None of the above

Question 16

A parser which is a variant of top-down parsing without backtracking is:

A.
Recursive Descent
B.
LL(1) parser
C.
Operator Precedence
D.
LALR Parser

Question 17

The expansion of nested macro calls follows:

A.
FIFO rule
B.
LILO rule
C.
LIFO rule
D.
Priority rule

Question 18

In a two-pass assembler, the task of the Pass II is to:

A.
Separate the symbol, mnemonic opcode, and operand fields
B.
Build the symbol table
C.
Construct intermediate code
D.
Synthesize the target program

Question 19

A linker program:

A.
Places the program in the memory for the purpose of execution
B.
Relocates the program to execute from the specific memory area allocated to it
C.
Links the program with other programs needed for its execution
D.
Interfaces the program with the entities generating its input data

Question 20

Which scheduling policy is most suitable for a time-shared operating system?

A.
Shortest-job First
B.
Round-Robin
C.
Elevator
D.
First-Come-First-Serve

Question 21

A critical section is a program segment:

A.
Which should run in a certain specified amount of time
B.
Which avoids deadlocks
C.
Where shared resources are accessed
D.
Which must be enclosed by a pair of semaphore operations, P and V

Question 22

An operating system contains 3 user processes each requiring 2 units of resource R. The minimum number of units of R such that no deadlocks will ever arise is:

A.
4
B.
3
C.
5
D.
6

Question 23

Locality of reference implies that the page reference being made by a process:

A.
Will always be to the page used in the previous page reference
B.
Is likely to be the one of the pages used in the last few page references
C.
Will always be to one of the pages existing in memory
D.
Will always lead to a page fault

Question 24

This of these is not a part of Synthesis phase:

A.
Obtain machine code corresponding to the mnemonic from the Mnemonics table
B.
Obtain address of a memory operand from the symbol table
C.
Perform LC processing
D.
Synthesize a machine instruction or the machine form of a constant

Question 25

The syntax of the assembler directive EQU is:

A.
EQU
B.
EQU
C.
EQU
D.
None of the above

Question 26

The following features are needed to implement top-down parsing:

A.
Source string marker
B.
Matching and Backtracking
C.
Prediction making mechanism
D.
All of the above

Question 27

A macro definition consists of:

A.
Macro prototype statement
B.
Macro pre-processor statements
C.
One or more model statements
D.
All of the above

Question 28

The main reason to encrypt a file is to:

A.
Reduce its size
B.
Prepare it for backup
C.
Secure it for transmission
D.
Include it in the start-up sequence

Question 29

This of the following is not a key piece of information, stored in a single page table entry, assuming pure paging and virtual memory:

A.
Frame number
B.
A bit indicating whether the page is in physical memory or on the disk
C.
A reference for the disk block that stores the page
D.
None of the above

Question 30

A UNIX device driver is:

A.
Structured into two halves called top half and bottom half
B.
Three equal partitions
C.
Unstructured
D.
None of the above

Question 31

The following is not a layer of IO management module:

A.
PIOCS (Physical Input Output Control System)
B.
LIOCS (Logical Input Output Control System)
C.
FS (File System)
D.
MCS (Management Control System)

Question 32

Which amongst the following is not a valid page replacement policy?

A.
LRU policy (Least Recently Used)
B.
FIFO policy (First in first out)
C.
RU policy (Recurrently used)
D.
Optimal page replacement policy

Question 33

Consider a program with a linked origin of 5000. Let the memory area allocated to it have the start address of 70000. Which amongst the following will be the value to be loaded in the relocation register?

A.
20000
B.
50000
C.
70000
D.
None of the above

Question 34

An assembly language is a:

A.
Low-level programming language
B.
Middle-level programming language
C.
High-level programming language
D.
Internet-based programming language

Question 35

TII stands for:

A.
Table of Incomplete Instructions
B.
Table of Information Instructions
C.
Translation of Instructions Information
D.
Translation of Information Instruction

Question 36

An analysis, which determines the syntactic structure of the source statement, is called:

A.
Semantic Analysis
B.
Syntax Analysis
C.
Process Analysis
D.
Function Analysis

Question 37

Actions implementing instruction’s meaning are actually carried out by:

A.
Instruction Fetch
B.
Instruction Execution
C.
Instruction Decode
D.
Instruction Program

Question 38

The field that contains a segment index or an internal index is called:

A.
Target Datum
B.
Segment Field
C.
Target Offset
D.
Fis Data

Question 39

A program in execution is called:

A.
Process
B.
CPU
C.
Function
D.
Memory

Question 40

Jobs which are admitted to the system for processing are called:

A.
Long-term scheduling
B.
Medium-term scheduling
C.
Short-term scheduling
D.
Queuing

Question 41

A set of techniques that allow executing a program which is not entirely in memory is called:

A.
Demand Paging
B.
Auxiliary Memory
C.
Virtual Memory
D.
Secondary Memory

Question 42

SSTF stands for:

A.
Shortest-Seek-Time-First scheduling
B.
Simple-Seek-Time-First
C.
Small–Small-Time-First
D.
Small-Simple-Time-First scheduling

Question 43

Before proceeding with its execution, each process must acquire all the resources it needs is called:

A.
Hold and Wait
B.
Circular Wait
C.
No Pre-emption
D.
Starvation

Question 44

Relocation bits used by relocating loader are specified by:

A.
Relocating loader itself
B.
Macro processor
C.
Assembler or Translator
D.
Both (A) and (B)

Question 45

Resolution of externally defined symbols is performed by:

A.
Linker
B.
Compiler
C.
Loader
D.
Editor

Question 46

Relocation programs:

A.
Cannot be used with fixed partitions
B.
Can be loaded almost anywhere in memory
C.
Do not need a linker
D.
Can be loaded only at one specific location

Question 47

Authentication is a fundamental building block in most computers:

A.
Security Context
B.
Execution Context
C.
Control Context
D.
Performance Context

Question 48

Page fault frequency in an operating system is reduced when the:

A.
Processes tend to be I/O-bound
B.
Size of pages is reduced
C.
Processes tend to be CPU-bound
D.
Locality of reference is applicable to the process

Question 49

Which of the following are language processors?

A.
Assembler
B.
Interpreter
C.
Compiler
D.
All of the above

Question 50

Virtual memory can be implemented with:

A.
Segmentation
B.
None
C.
Paging
D.
All of the above

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