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Welcome to the OS Basics MCQs Page

Dive deep into the fascinating world of OS Basics with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of OS Basics, a crucial aspect of Operating System. In this section, you will encounter a diverse range of MCQs that cover various aspects of OS Basics, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Operating System.

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Check out the MCQs below to embark on an enriching journey through OS Basics. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Operating System.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of OS Basics. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

OS Basics MCQs | Page 23 of 57

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Q221.
Uniform Symbols Table

a.

contains all constants in the program

b.

a permanent table of decision rules in the form of patterns for matching with the uniform symbol table to discover syntactic structure.

c.

consists of a full or partial list of the token's as they appear in the program. Created by Lexical analysis and used for syntax analysis and interpretation

d.

a permanent table which lists all key words and special symbols of the language in symbolic form.

Discuss
Answer: (c).consists of a full or partial list of the token's as they appear in the program. Created by Lexical analysis and used for syntax analysis and interpretation
Q222.
The higher versions of the operating systems are so written that programs designed for earlier versions can still be run. What is it called?

a.

Upgradability

b.

Upward mobility

c.

Universality

d.

Upward compatibility

Discuss
Answer: (d).Upward compatibility
Q223.
If special forms are needed for printing the output, the programmer specifies these forms through?

a.

JCL

b.

JPL

c.

Utility programs

d.

Load modules

Discuss
Answer: (a).JCL
Q224.
Which of the following can be accesses by transfer vector approach of linking?

a.

External data segments

b.

External subroutines

c.

Data located in other procedures

d.

All of the above

Discuss
Answer: (b).External subroutines
Q225.
Which of the following terms refers to the degree to which data in a database system are accurate and correct?

a.

data security

b.

data validity

c.

data independence

d.

data integrity

Discuss
Answer: (d).data integrity
Q226.
In analyzing the compilation of PL/I program, the term "Syntax analysis" is associated with

a.

recognition of basic syntactic constructs through reductions.

b.

recognition of basic elements and creation of uniform symbols

c.

creation of more optional matrix.

d.

use of macro processor to produce more optimal assembly code

Discuss
Answer: (a).recognition of basic syntactic constructs through reductions.
Q227.
A hardware device that is capable of executing a sequence of instructions, is known as

a.

CPU

b.

ALU

c.

CU

d.

Processor

Discuss
Answer: (d).Processor
Q228.
Which of following is/are the advantage(s) of modular programming?

a.

The program is much easier to change

b.

Modules can be reused in other programs

c.

Easy debugging

d.

Easy to compile

Discuss
Answer: (a).The program is much easier to change
Q229.
A compiler for a high-level language that runs on one machine and produces code for a different machine is called is

a.

optimizing compiler

b.

one pass compiler

c.

cross compiler

d.

multipass compiler

Discuss
Answer: (c).cross compiler
Q230.
Assembler language

a.

is usually the primary user interface

b.

requires fixed-format commands

c.

is a mnemonic form of machine language

d.

is quite different from the SCL interpreter

Discuss
Answer: (c).is a mnemonic form of machine language
Page 23 of 57

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