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The Theory of Computation(TOC) subject has high importance in GATE CSE exam because:
Below is the table for previous four year mark distribution of TOC in GATE CS:
| Year | Approx. Marks from TOC | Number of Questions | Difficulty Level |
|---|---|---|---|
| GATE 2025 | 7–8 marks | 3–4 | Moderate to Slightly Difficult |
| GATE 2024 | 7–8 marks | 3–4 | Moderate-Hard |
| GATE 2023 | 6.5 marks | 3 | Moderate |
| GATE 2022 | 7 marks | 3–4 | Hard |
| GATE 2021 | 8 marks | 4 | Moderate |
Although Theory of Computation is considered to be one of the challenging subjects of GATE CSE exam because of its logical depth, the questions often are structured and follows patterns. With regular practice of PYQs and high-weightage topics such as Finite Automata, Regular Expressions, Turing Machines etc., you can increase your accuracy and score. The links to quiz of these topics are given below:
We have selected questions of Theory of Computation 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 TOC along with their respective years.
| GATE TOC Previous Year Questions |
|---|
| Automata Theory | Set 1, 2 |
| Automata Theory | Set 3 |
| Automata Theory | Set 4 |
| Automata Theory | Set 5 |
| Automata Theory | Set 6 |
These previous year’s questions help you understand the question patterns followed by GATE that directly help a candidate in scoring good marks in GATE. Given below is the link to year-wise GATE Previous 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.