
UGC NET December 2025 Computer Science Question Paper: NTA has released the Computer Science answer key for the candidates. Candidates can check the UGC NET December 2026 Computer Science Question Paper properly to match the responses if required. The "Match the Following" and "Assertion-Reason" formats made the paper time-consuming. Core subjects like Algorithms and Computer Networks remained high-weightage areas, requiring deep technical understanding to navigate successfully.
UGC NET December 2025 Computer Science is a CBT exam. Candidates get 3 hours with no break to solve the paper.
| UGC NET December 2025 Computer Science Overview | |
| Exam Name | University Grants Commission National Eligibility Test (UGC NET) |
| Subject & Code | Computer Science and Applications (Code: 087) |
| Exam Date & Shift | January 2, 2026 (Shift 1: 9:00 AM β 12:00 PM) |
| Exam Mode | Online β Computer-Based Test (CBT) |
| Paper Structure | Paper I (General): 50 MCQs; Paper II (Subject-specific): 100 MCQs |
| Total Marks | 300 Marks (+2 per correct answer; No negative marking) |
| Difficulty Level | Easy to Moderate |
| Provisional Answer Key | Released on January 14, 2026 |
| Official Website | ugcnet.nta.ac.in |
UGC NET December 2025 Computer Science Question Paper PDF is available in a downloadable PDF format. Candidates can check the questions and solutions provided in the proper format.
UGC NET December 2025 Computer Science Paper Analysis Video covers the questions with the answers asked in the exam. Physics Wallah UGC NET community has compiled the detailed solutions to the questions for the understanding of the candidates.
Candidates faced a paper that balanced core engineering fundamentals with tricky logical applications.
1. Discrete Structures & Optimisation
Logic: Matching propositional logic formulas and First-Order Logic (FOL).
Graph Theory: Questions on the Chromatic number, Euler circuits, and Hamiltonian paths.
Recurrence Relations: Solving complexities using the Master Theorem.
LPP: One calculation-based question on finding the optimal solution using the Simplex method.
2. Operating Systems & System Software
CPU Scheduling: Detailed numericals on SRTF (Shortest Remaining Time First) and Round Robin.
Memory Management: LRU (Least Recently Used) vs. Optimal page replacement algorithm comparisons.
Deadlocks: Bankerβs Algorithm and Resource Allocation Graphs.
Disk Scheduling: SCAN and C-LOOK algorithm calculations.
3. Database Management Systems (DBMS)
Normalisation: Identifying Candidate Keys and determining the highest normal form (3NF vs. BCNF).
SQL: Queries involving "Group By," "Having," and nested joins.
Transactions: Questions on View Serializability and Conflict Serializability.
4. Theory of Computation (TOC) & Compilers
Automata: Conversion from DFA to NFA and properties of Regular Expressions.
Languages: Pumping Lemma for Context-Free Languages (CFLs).
Compilers: Bottom-up parsing sequences and Lexical Analysis.
5. Computer Networks & Security
IP Addressing: Subnetting calculations using CIDR notation.
OSI Model: Functional matching of the Data Link and Transport layers.
Security: Basics of RSA encryption and Network security protocols (SSL/TLS).