Operating System

Question 1

What is the maximum length of filename in DOS

Answer 1

8

Question 2

cui full form and exceptional example

Answer 2

character user interface / MS DOS

Question 3

GUI and CUI are two types of :

Answer 3

Interface

Question 4

A computer cannot boot if doesn
t have

Answer 4

operating system

Question 5

What is cold boot

Answer 5

Turn on the computer for the first time on a day

Question 6

Restarting a running computer is called

Answer 6

Warm boot

Question 7

When was first operating system developed

Answer 7

1950

Question 8

Who developed Linux

Answer 8

Linus Torvalds

Question 9

Most popular 16 bit operating system

Answer 9

MS-DOS

Question 10

what operating system doesn’t support more than one program

Answer 10

dos

Question 11

Primary purpose of operating system :

Answer 11

manage resources

Question 12

DOS full form

Answer 12

Disk operating System

Question 13

What are less known file formats supported by windows :

Answer 13

NTFS
FAT32
exFAT

Question 14

full form of FAT

Answer 14

file allocation table

Question 15

full form of NTFS

Answer 15

new technology file format

Question 16

BIOS full form

Answer 16

basic input output system

Question 17

BIOS is used by

Answer 17

Operating System

Question 18

COW stands for

Answer 18

Copy overwrite

Question 19

Which OS runs on server

Answer 19

Network OS

Question 20

for what purpose fence register is used

Answer 20

To memory protection

Question 21

What type of commands are required to perform various tasks in DOS

Answer 21

External Command

Question 22

type of command are required to perform various tasks in DOS

Answer 22

External Command

Question 23

which windows doesn’t has the start button

Answer 23

windows 8

Question 24

For an effective operating system, when to check for deadlock?

Answer 24

every time a resource request is made at fixed time intervals

Question 25

The technique in which CPU generates physical addresses directly is known as

Answer 25

Real Adressing

Question 26

What process doesn’t directly interrupt the running process

Answer 26

Scheduler Process

Question 27

What can’t be scheduled by the kernel

Answer 27

User Level Thread

Question 28

In distributed operating systems, link and site failure is detected by

Answer 28

Handshaking

Question 29

The wait operation in semaphore basically works on the basic _______ system call.

Answer 29

block()

Question 30

Paging increases which time

Answer 30

context switch time

Question 31

Resources which can be taken away from a a process without causing any ill effects to the process are called

Answer 31

preemptable resources

Question 32

Physical memory is broken down into fixed-sized blocks called

Answer 32

frames

Question 33

In segmentation each segment is specified by

Answer 33

a segment number and offset

Question 34

Which command is used to delete the directory which is not empty

Answer 34

rm -r