Operating Systems – GATE CSE Previous Year Questions
Last Updated :
19 May, 2023
Solving GATE Previous Year’s Questions (PYQs) not only clears the concepts but also helps to gain flexibility, speed, accuracy, and understanding of the level of questions generally asked in the GATE exam, and that eventually helps you to gain good marks in the examination. Previous Year Questions help a candidate practice and revise for GATE, which helps crack GATE with a good score.
Operating Systems Previous Year GATE Questions help in analyzing the question pattern of a subject and marking scheme as well as it helps in time management which overall increases the score in the GATE exam. With regular practice of PYQs, candidates can easily crack GATE with a good GATE Score.
Before 2006, questions asked in GATE were mainly theoretical, but in recent years, the questions asked were multiple-choice questions with a single correct option or multiple correct options. We are looking to provide the multiple-choice questions that are asked in GATE.
Operating Systems GATE Previous Year Questions
In this article, we are mainly focusing on the Operating System GATE Questions that are asked in previous years with their solutions, and where an explanation is required, we have also provided the reason.
In Operating Systems, we will deal with the following concepts. We have also provided GATE Previous Year’s Questions on these topics. Here is the list of several topics along with their links.
Below mentioned are the links to the Operating Systems PYQ’s pages. On each page, you will get the questions asked in OS along with the years asked.
Also, here we are going to discuss some basic PYQs related to Operating Systems.
1. Consider the following statements about process state transitions for a system using preemptive scheduling.
I. A running process can move to a ready state
II. A ready process can move to a ready state
III. A blocked process can move to a running state
IV. A blocked process can move to a ready state
Which of the above statements is TRUE? [GATE CSE 2020]
(A) I, II, and III only
(B) II and III only
(C) I, II, and IV only
(D) I, II, III, and IV
Solution: Correct answer is (C)
For more, refer to GATE | GATE CS 2020 | Question 22.
2. Which one of the following is FALSE? [GATE CSE 2014]
(A) User-level threads are not scheduled by the kernel
(B) When a user-level thread is blocked, all other threads of its process are blocked
(C) Context switching between user-level threads is faster than context switching between kernel-level threads
(D) Kernel-level threads cannot share the code segment
Solution: Correct answer is (D)
For more, refer to GATE | GATE-CS-2014-(Set-1) | Question 30.
3. A process executes the code
fork ( );
fork ( );
fork ( );
The total number of child processes created is [GATE CSE 2012]
(A) 3
(B) 4
(C) 7
(D) 8
Solution: Correct answer is (C)
For more, refer to GATE | GATE CS 2012 | Question 8.
4. In which one of the following page replacement policies, Belady’s anomaly may occur? [GATE CSE 2009]
(A) FIFO
(B) Optimal
(C) LRU
(D) MRU
Solution: Correct answer is (A)
For more, refer to GATE | GATE-CS-2009 | Question 8.
5. The essential content(s) in each entry of a page table is/are: [GATE CSE 2009]
(A) Virtual page number
(B) Page frame number
(C) Both virtual page number and page frame number
(D) Access the right information
Solution: Correct answer is (B)
For more, refer to GATE | GATE-CS-2009 | Question 9.
GATE CSE Previous Year Question Papers
These previous year’s questions help you in understanding the question patterns followed by GATE that directly help a candidate in scoring good marks in GATE. Below are the mentioned links of year-wise GATE Previous Question Papers.
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