The Operating System(OS) subject has high importance in GATE CSE exam because:
- large number of questions nearly 10-12% of the total asked
- significant weightage (9-11 marks) across multiple years
which can also be seen in the below given table:
| Year | Approx. Marks from OS | Number of Questions | Difficulty Level |
|---|---|---|---|
| GATE 2025 | 10 marks | 4–5 | Easy–Moderate |
| GATE 2024 | 10–11 marks | 4–5 | Moderate |
| GATE 2023 | 9 marks | 4 | Moderate–Hard |
| GATE 2022 | 11–12 marks | 5 | Moderate |
| GATE 2021 | 10.5 marks | 3–4 | Easy–Moderate |
Questions are usually well-defined and direct from this section. It is easier to score full marks by practicing questions from PYQs and from important high-weightage topics such as CPU Scheduling, Memory Management, Disk Scheduling etc. The links to quiz of these topics are given below:
- Process Management
- CPU Scheduling
- Deadlocks
- Memory Management
- Input Output Systems
We have selected questions of Operating System from GATE previous year questions and compiled for you. Below mentioned are the links to such sets of questions. On each page, you will get the questions asked in OS along with their respective years.
| GATE OS Previous Year Questions |
|---|
| Operating Systems |
| Operating Systems |
| Operating Systems |
| Operating Systems |
| Operating Systems |
| Operating Systems |
| Operating Systems |
| Operating Systems |
| Operating Systems |
| Operating Systems |
| Operating Systems |
| Operating Systems |
| Operating Systems |
| Operating Systems |
GATE OS Previous Year Questions
Operating Systems | Set 1, 2, 3
Operating Systems | Set 4
Operating Systems | Set 5
Operating Systems | Set 6
Operating Systems | Set 7
Operating Systems | Set 8
Operating Systems | Set 9
Operating Systems | Set 10
Operating Systems | Set 11
Operating Systems | Set 12
Operating Systems | Set 13
Operating Systems | Set 14
Operating Systems | Set 15
Operating Systems | Set 16
These previous year’s questions help you understand the question patterns followed by GATE that directly help a student in scoring good marks in GATE. Given below is the link to year-wise GATE Previous Question Papers:
GATE CSE Previous Year Question Papers
GATE CSE Previous Year Question Papers
These GATE CSE question papers span over 25+ years, along with their official answer keys. We’ve also provided Quiz tests to help you practice key topics, improve speed, track your progress, and build confidence for the GATE exam 2026.