Question 1MCQ: one answer
What is −77 (decimal) in 8-bit two's complement, written in hexadecimal?
The GATE 2027 CS syllabus has ten sections, from Engineering Mathematics to Computer Networks, and every GATE paper adds General Aptitude.
| Section | What it covers |
|---|---|
| Engineering Mathematics | Discrete mathematics, linear algebra, calculus, probability and statistics |
| Digital Logic | Boolean algebra and minimisation, combinational and sequential circuits, number representation |
| Computer Organization and Architecture | Instruction sets, ALU and control unit design, memory hierarchy and cache, I/O, pipelining |
| Programming and Data Structures | C, recursion, arrays, stacks, queues, linked lists, trees, BSTs, heaps, graphs |
| Algorithms | Searching, sorting, hashing, complexity, greedy, dynamic programming, divide and conquer, graph algorithms |
| Theory of Computation | Regular and context-free languages, automata, the pumping lemma, Turing machines and undecidability |
| Compiler Design | Lexical analysis, parsing, syntax-directed translation, runtime environments, intermediate code, optimisation |
| Operating System | Processes, threads, synchronisation, deadlock, scheduling, memory and virtual memory, file systems |
| Databases | ER model, relational algebra, tuple calculus, SQL, normal forms, indexing, transactions |
| Computer Networks | Layering, switching, the data link layer, routing, IPv4, TCP, DNS and HTTP |
| Sections | 10 CS sections and General Aptitude |
|---|---|
| General Aptitude | Verbal, quantitative, analytical and spatial aptitude |
The General Aptitude syllabus covers English grammar, vocabulary and reading; data interpretation and numerical computation; logic and reasoning; and spatial aptitude such as rotating, mirroring and folding shapes.
The course has a lesson and a practice set for every section and for General Aptitude, and two full practice papers in the official pattern.
| State | On a | On b |
|---|---|---|
| q0 (start) | q1 | q0 |
| q1 | q1 | q2 |
| q2 (accepting) | q1 | q0 |
On the GATE 2027 website of IIT Madras, the organising institute, as a PDF linked from its test papers and syllabus page.
No. It is a section of the CS syllabus, worth 13 of the 85 subject marks.
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