Operating System MCQs

Question 1

Indicate which, of the following, is not true about Nassi-Shneiderman charts

Accepted Answer

These charts cannot represent CASE constructs

Answer

These charts are type of graphical design tool

Answer

These charts can represent three fundamental control structures

Answer

All of the above

Question 2

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

Accepted Answer

Real time system

Answer

Batch system

Answer

Quick response system

Answer

Time sharing system

Question 3

An incremental backup

Accepted Answer

saves only files that have recently changed

Answer

should be done each month

Answer

uses more tapes

Answer

saves all files

Question 4

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

Accepted Answer

Shareware

Answer

Software

Answer

Firmware

Answer

Mindware

Question 5

The disadvantages of "Compile and Go" loading scheme is (are):

Accepted Answer

all of the above

Answer

a portion of memory is wasted because the core occupied by the assembler is unavailable to the object program.

Answer

it is necessary to retranslate the user's program deck every time it is run.

Answer

it is very difficult to handle multiple segments, especially if the source programs are in different languages, and to produce orderly modular programs.

Question 6

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

Accepted Answer

hardware

Answer

peripheral

Answer

memory

Answer

screen

Question 7

Which of the following statement is true.

Accepted Answer

Seek analysis is used for analysing control-unit busy problems.

Answer

The LRU algorithm pages out pages that have been used recently

Answer

Thrashing is a natural consequence of virtual memory systems.

Answer

All of the above

Question 8

Which of the following is a phase of a compilation process

Accepted Answer

Both of the above

Answer

Lexical analysis

Answer

Code generation

Answer

Static analysis

Question 9

Which are the most important features of Microsoft Windows program?

Accepted Answer

All of the above

Answer

Windows

Answer

Pull-down menus

Answer

Icons