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Basic Concepts (OS Structures ) Questions

NA
SHSTTON
132
Solv. Corr.
239
Solv. In. Corr.
371
Attempted
0 M:40 S
Avg. Time

11 / 29

Choose the correct option.

main()
{
int i=1;
fork();
fork();
fork();
printf("%d",i);
}
How many times i will be printed


A6

B8

C7

D4

Answer: Option B

Explanation:

Here is no explanation for this answer

Workspace

NA
SHSTTON
278
Solv. Corr.
640
Solv. In. Corr.
918
Attempted
0 M:9 S
Avg. Time

12 / 29

Choose the correct option.

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


ACPU

BALU

CCU

DProcessor

Answer: Option D

Explanation:

Here is no explanation for this answer

Workspace

NA
SHSTTON
295
Solv. Corr.
561
Solv. In. Corr.
856
Attempted
0 M:12 S
Avg. Time

13 / 29

Choose the correct option.

Operating system is


AA collection of hardware components

BA collection of input output devices

CA collection of software routines

DAll of above

Answer: Option C

Explanation:

Here is no explanation for this answer

Workspace

NA
SHSTTON
204
Solv. Corr.
102
Solv. In. Corr.
306
Attempted
0 M:0 S
Avg. Time

14 / 29

Choose the correct option.

Which process is known for initializing a microcomputer with its OS


Acold booting

Bboot recording

Cbooting

Dwarm booting

Answer: Option C

Explanation:

Here is no explanation for this answer

Workspace

NA
SHSTTON
93
Solv. Corr.
208
Solv. In. Corr.
301
Attempted
0 M:0 S
Avg. Time

15 / 29

Choose the correct option.

Which operating system use write through catches


AUNIX

BXENIX

CULTRIX

DDOS

Answer: Option D

Explanation:

Here is no explanation for this answer

Workspace

NA
SHSTTON
294
Solv. Corr.
429
Solv. In. Corr.
723
Attempted
0 M:6 S
Avg. Time

16 / 29

Choose the correct option.

Creating a job queue is a function of


ASpooler

BInterperator

CComplier

DDrive

Answer: Option A

Explanation:

Here is no explanation for this answer

Workspace

NA
SHSTTON
141
Solv. Corr.
122
Solv. In. Corr.
263
Attempted
0 M:0 S
Avg. Time

17 / 29

Choose the correct option.

The very first process created by the kernal that runs till the kernal process is halts is


Ainit

Bgetty

Cboth (a) and (b)

Dnone of these

Answer: Option A

Explanation:

Here is no explanation for this answer

Workspace

NA
SHSTTON
124
Solv. Corr.
163
Solv. In. Corr.
287
Attempted
0 M:0 S
Avg. Time

18 / 29

Choose the correct option.

In the process table entry for the kernel process, the process id value is


A0

B1

C2

D225

Eit does not have a process table entry

Answer: Option A

Explanation:

Here is no explanation for this answer

Workspace

NA
SHSTTON
263
Solv. Corr.
400
Solv. In. Corr.
663
Attempted
0 M:10 S
Avg. Time

19 / 29

Choose the correct option.

Which of the following involves context switch,


Asystem call

Bpriviliged instruction

Cfloating poitnt exception

DAll the above

ENone of the above

Answer: Option A

Explanation:

Here is no explanation for this answer

Workspace

NA
SHSTTON
154
Solv. Corr.
88
Solv. In. Corr.
242
Attempted
0 M:0 S
Avg. Time

20 / 29

Choose the correct option.

Where will be the actual address of the subroutine is placed for vectored interrupts?


AIn Memory

BInterrupt Vector Table

CInterrupt Table

DNone of the above

Answer: Option B

Explanation:

Here is no explanation for this answer

Workspace

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