Operating System MCQs

Question 1

Which of the following can be accesses by transfer vector approach of linking?

Accepted Answer

External subroutines

Answer

External data segments

Answer

Data located in other procedures

Answer

All of the above

Question 2

Which of the following terms refers to the degree to which data in a database system are accurate and correct?

Accepted Answer

data integrity

Answer

data security

Answer

data validity

Answer

data independence

Question 3

In analyzing the compilation of PL/I program, the term "Syntax analysis" is associated with

Accepted Answer

recognition of basic syntactic constructs through reductions

Answer

recognition of basic elements and creation of uniform symbols

Answer

creation of more optional matrix

Answer

use of macro processor to produce more optimal assembly code

Question 4

A hardware device that is capable of executing a sequence of instructions, is known as

Accepted Answer

Processor

Answer

CPU

Answer

ALU

Answer

CU

Question 5

Which of following is/are the advantage(s) of modular programming?

Accepted Answer

The program is much easier to change

Answer

Modules can be reused in other programs

Answer

Easy debugging

Answer

Easy to compile

Question 6

The function(s) performed by the paging software is (are)

Accepted Answer

All of the above

Answer

Implementation of the access environment for all programs in the system

Answer

Management of the physical address space

Answer

Sharing and protection

Question 7

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

Accepted Answer

cross compiler

Answer

optimizing compiler

Answer

one pass compiler

Answer

multipass compiler

Question 8

A critical region is

Accepted Answer

one which is enclosed by a pair of P and V operations on semaphores

Answer

a program segment that has not been proved bug-free

Answer

a program segment that often causes unexpected system crashes

Answer

a program segment where shared resources are accessed

Question 9

Assembler language

Accepted Answer

is a mnemonic form of machine language

Answer

is usually the primary user interface

Answer

requires fixed-format commands

Answer

is quite different from the SCL interpreter