Operating System MCQs

Question 1

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

Accepted Answer

macro

Answer

procedure name

Answer

label

Answer

literal

Question 2

A program

Accepted Answer

is a sequence of instructions

Answer

is a device that performs a sequence of operations specified by instructions in memory.

Answer

is the device where information is stored

Answer

is typically characterized by interactive processing and time of the CPU

Question 3

A self-relocating program is one which

Accepted Answer

can itself performs the relocation of its address-sensitive portions.

Answer

cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation.

Answer

consists of a program and relevant information for its relocation.

Answer

All of the above

Question 4

Banker's algorithm for resource allocation deals with

Accepted Answer

deadlock avoidance

Answer

deadlock prevention

Answer

deadlock recovery

Answer

mutual exclusion

Question 5

A sequence of instructions, in a computer language, to get the desired result, is known as

Accepted Answer

Program

Answer

Algorithm

Answer

Decision Table

Answer

All of the above

Question 6

Which, of the following, is true for testing and debugging?

Accepted Answer

Testing checks for logical errors in the programs, while debugging is a process of correcting those errors in the program

Answer

Testing detects the syntax errors in the program while debugging corrects those errors in the program

Answer

Testing and debugging indicate the same thing

Answer

All of the above

Question 7

Information in a memory that is no longer valid or wanted is known as

Accepted Answer

garbage

Answer

non-volatile

Answer

volatile

Answer

surplus

Question 8

Which of the following filename extension suggests that the file is a backup copy of another file?

Accepted Answer

.bak

Answer

.txt

Answer

.com

Answer

.bas

Question 9

Relocation bits used by relocating loader are specified (generated) by

Accepted Answer

Linker

Answer

Relocating loader itself

Answer

Assembler or translator

Answer

Macro processor