Recent questions and answers in Operating System

0 votes

1 answer

1

Madeeasy_SubjectTest_OperatingSystem

answered 4 hours ago in Operating System by Spider1896 (137 points) | 6 views

0 votes

2 answers

2

ISI mtech CS Interview
Provide a synchronizing mechanism using semaphores such that a tiger and an elephant are not allowed to drink water from a pond simultaneously whereas more than one tiger or more than one elephant can.

answered 5 hours ago in Operating System by Harsh Kumar Junior (637 points) | 77 views

0 votes

1 answer

3

ACE TEST SERIES

answered 5 hours ago in Operating System by Dharmesh Gusai 1 (29 points) | 7 views

0 votes

1 answer

4

Operating System
What is the difference between a job,a process and a thread?

answered 5 hours ago in Operating System by Dharmesh Gusai 1 (29 points) | 5 views

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0 answers

5

random...

asked 6 hours ago in Operating System by Smishra95 (229 points) | 6 views

0 votes

2 answers

6

Madeeasy_testSeries_OperatingSystem
I know that C is the option but i think that b) S0 = 0 , S1 = 1 , S2 = 0 is also true ....means (b and c ) also hold true conditions but in the MCQ b and c is not in the options that's why Only C is the correct answer... please tell me that I right or wrong ??

answered 6 hours ago in Operating System by Prince Sindhiya Active (2.3k points) | 36 views

0 votes

0 answers

7

gate 2006 question doubt
https://gateoverflow.in/1843/gate2006-65 in the above question process is directly being given to I/O device. is this possible? i have this doubt because i have read that Process begins with a CPU burst and end with a CPU burst. During the life time ... I/O burst. But here in this question we have taken I/O burst directly when the process starts. please clear this doubt.

asked 13 hours ago in Operating System by Ananya Jaiswal 1 Active (1.9k points) | 16 views

0 votes

1 answer

8

Madeeasy_subjectTest_OperatingSystem
I think...answer should be p1,p2 ..if you think that given answer is correct then please explain me , thank you ;)

answered 15 hours ago in Operating System by SHUBHAM SHASTRI Loyal (8.7k points) | 34 views

+1 vote

0 answers

9

Subject_mock_test_Operating_System
Ans ) 1/6

asked 18 hours ago in Operating System by Magma (203 points) | 25 views

0 votes

1 answer

10

#OS Process Synchronisation GATE2015 Self User Doubt

answered 20 hours ago in Operating System by 1997_satya (21 points) | 26 views

0 votes

2 answers

11

Process Doubt
How to decide which job is I/O bound or CPU bound?

answered 1 day ago in Operating System by Prince Sindhiya Active (2.3k points) | 18 views

0 votes

2 answers

12

Operating System
Which data structure is used to implement the Process Control Block?

answered 1 day ago in Operating System by Prince Sindhiya Active (2.3k points) | 29 views

0 votes

0 answers

13

Paging
https://gateoverflow.in/3600/gate2006-it-56 Please explain the solution again. I am not getting.

asked 1 day ago in Operating System by nandini gupta Active (1.7k points) | 11 views

0 votes

1 answer

14

Madeeasy_OperatingSystem_subjectTest
Shaik Masthan please explain me ..thank you

answered 1 day ago in Operating System by eyeamgj Active (3.6k points) | 24 views

0 votes

1 answer

15

ACE_subjectTest_OperatingSystem
Shaik Masthan

answered 1 day ago in Operating System by Shubhgupta Active (2.3k points) | 42 views

0 votes

2 answers

16

Test Series

answered 1 day ago in Operating System by PiratedVirus (331 points) | 22 views

0 votes

0 answers

17

Semaphore bounded waiting
Does Semaphore satisfy bounded waiting? If so, how?

asked 2 days ago in Operating System by Parimal Paritosh (219 points) | 16 views

0 votes

1 answer

18

role of priority in round robin scheduling

answered 2 days ago in Operating System by vikas999 (231 points) | 33 views

0 votes

1 answer

19

Round Robin Scheduling, Process Management

answered 2 days ago in Operating System by vikas999 (231 points) | 26 views

0 votes

2 answers

20

Operatin system Galvin
Why shortest job first is not practically implementable. There are two possible answers 1. Starvation 2. Burst time of processes cannot be known ahead. So i am not getting the meaning of 2nd answer.

answered 2 days ago in Operating System by vikas999 (231 points) | 39 views

0 votes

1 answer

21

Self doubt
Q. This comprises the detailed Machine language necessary to control a specific device and is controlled by the operating system is... options A. Driver B. utility program C. virtual memory D. peripheral device explain properly

answered 2 days ago in Operating System by goxul Active (1.1k points) | 9 views

0 votes

0 answers

22

self doubt
Q. The part of the operating system manages the essential peripherals , such as keyboard , screen , disk drives , and parallel and serial ports . options A . Basic I/O System B. Secondary I/O System C. Peripherals I/O System D. Marginal I/O System

asked 2 days ago in Operating System by Lokesh Arya (111 points) | 15 views

0 votes

0 answers

23

Process Scheduling
printf("Hello"); if(!fork()) printf("World");

asked 2 days ago in Operating System by S Sarva Bhowma (11 points) | 15 views

0 votes

0 answers

24

Galvin Operating system
Can someone explain me the code of TSL in process synchronization from Operating Systems Concepts by Galvin? [closed]

asked 3 days ago in Operating System by vikas999 (231 points) | 8 views

0 votes

0 answers

25

Monitors Process Synchronization
Is Monitors concept not in GATE 2019 ?

asked 3 days ago in Operating System by Harsh Kumar Junior (637 points) | 8 views

0 votes

0 answers

26

Ugc net september 2013 paper 3 Question number 71

asked 3 days ago in Operating System by Vasavi J (7 points) | 14 views

+2 votes

2 answers

27

Process Synchronization
If there are n processes executing concurrently using binary semaphore S , (n-1) processes have the code do{ wait(S); <c.s> signal(s); <r.s>}while(1); the code for the n-th process i.e Pn is given by do{ signal(S); <c.s> wait(S); <r. ... ; a) What is the max no. of processes that can be there in the critical section simultaneosly ? A. 2 B . 3 C. n-1 D. n

answered 4 days ago in Operating System by BASANT KUMAR Junior (967 points) | 126 views

0 votes

2 answers

28

Process Synchronization
while (turn != 0); // initially turn is set to 0 { turn = 1 CS turn = 0 } My question is let two processes P0 and P1 where P0 enters loop first and sets turn = 1 and P1 waits at while loop , Now as soon as P0 comes out of ... while loop gets to enter the CS before PO could again enter CS. So Bound waiting should be satisfied but the given ans is Bound waiting not satisfied.

answered 4 days ago in Operating System by BASANT KUMAR Junior (967 points) | 63 views

0 votes

1 answer

29

Madeeasy_subjectTest_OperatingSystem

answered 4 days ago in Operating System by Abhishek_g (41 points) | 21 views

0 votes

1 answer

30

Process Scheduling
Q)Round Robbin Scheduling is more suitable when: a)Minimum Context switches are needed. b)More interaction is needed by the tasks. c)High Priority process needs to be completed first. d)None of the above ans:b need some explanation ?

answered 4 days ago in Operating System by goxul Active (1.1k points) | 15 views

0 votes

0 answers

31

ACE_subjectTest_OperatingSystem

asked 4 days ago in Operating System by Magma (203 points) | 47 views

0 votes

1 answer

32

Operating Systems
Q)If we Disable Interrupts, it is not possible to a)invoke system calls b)preempt process from cpu c)indicate compilation of I/O d)All of the Above

answered 4 days ago in Operating System by Cyberspam (11 points) | 10 views

+1 vote

0 answers

33

Ace_OperatingSystem_Subject_test
I think the answer given here is wrong ,

asked 4 days ago in Operating System by Magma (203 points) | 32 views

0 votes

1 answer

34

#Doubt_ACE_Subjest_Test_OperatingSystem

answered 5 days ago in Operating System by rajks007 (175 points) | 37 views

0 votes

1 answer

35

Madeeasy_subjectTest_OperatingSystem

answered 5 days ago in Operating System by anjali007 (137 points) | 39 views

0 votes

1 answer

36

self doubt(deadlock)
there are total 100 resources and each process require 3 instance of resources then find maximum and minimum number of process so that deadlock will not occur. i am confused for the answer i.e(it is 49 or 98??)

answered 5 days ago in Operating System by Shaik Masthan Boss (16.5k points) | 22 views

0 votes

1 answer

37

Galvin, Virtual memory exercise 9.15
A simplified view of thread states is Ready, Running, andBlocked, where a thread is either ready andwaiting to be scheduled, is running on the processor, or is blocked (for example, waiting for I/O). Assuming a thread is in the Running state, ... will change its state from running to waiting. However, I am highly confused over answers to part b, and part c.

answered 5 days ago in Operating System by Aakashpatel (49 points) | 18 views

0 votes

0 answers

38

QUESTION ON BANKER ALGORITHM CS GATE IT 2007

asked 5 days ago in Operating System by mobashshir (61 points) | 19 views

0 votes

0 answers

39

DEAD LOCK QUESTION [DRDO 2009] OF MADEEASY WORKBOOK

asked 5 days ago in Operating System by mobashshir (61 points) | 24 views

0 votes

1 answer

40

MADE EASY TEST SERIES
Consider a demand paged memory system, page table is held in registers. It takes 800 nsec to service a page fault if empty page is available or replaced page is not modified and 950 nsec if the replaced page is modified, main memory access time is ... replaced is modified 85% of time and page faultrate is 20% then average memory access time is ________. (Upto 1 decimal place)

answered 5 days ago in Operating System by Bhagyashree Mukherje Active (1.1k points) | 11 views

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