OPERATING SYSTEM (OS) QUIZ

Which of the following are loaded in safe mode ?

Keyboard driver

All of the listed here

VGA drive

Mouse driver

TRUE ANSWER : ?
YOUR ANSWER : ?

Who is called a supervisor of computer activity ?

I / O Devices

Memory

Operating system

Control unit

TRUE ANSWER : ?
YOUR ANSWER : ?

The operating system is the most common type of ___ software

System

Application

Communication

Word processing software

TRUE ANSWER : ?
YOUR ANSWER : ?

The SJF algorithm executes first the job

that has been in the queue the longest

that last entered the queue

with the least processor needs

None of these

that first entered the queue

TRUE ANSWER : ?
YOUR ANSWER : ?

What is dispatch latency ?

The whole time taken by all processor

The time taken by the dispatcher to stop one process and start another

None of the listed here

The time taken by the processor to write a file into disk

TRUE ANSWER : ?
YOUR ANSWER : ?

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

None of these

Easy to compile

The program is much easier to change

Easy debugging

Modules can be reused in other programs

TRUE ANSWER : ?
YOUR ANSWER : ?

What program runs first after computer is booted and loading GUI ?

Windows Explorer

Desktop manager

File manager

Authentication

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is an example of a real time operating system?

Lynx

Process Control

MS DOS

Windows XP

TRUE ANSWER : ?
YOUR ANSWER : ?

To avoid the race condition, the number of processes that may be simultaneously inside their critical section is

8

1

16

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is not essential to shut down your computer?

Cut off the power supply

Close all running applications

Switch off monitor

Save all opened files

TRUE ANSWER : ?
YOUR ANSWER : ?

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