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National Informatics Centre / NIELITExam: Recruitment to Scientist 'B' & Scientific/Technical Assistant 'A'

NIC Scientist 'B' & Technical Assistant 'A' Detailed Syllabus & Pattern

Complete topic-wise syllabus breakdown for CS/IT including Section A (Generic Non-Technical 35%) and Section B (Technical Computer Science 65%).

Negative Marking Scheme: 0.25 Marks deducted for each incorrect answer (1 mark per correct question)

Stage-Wise Examination Structure & Topics

Written Examination (OMR / CBT)

3 Hours (180 Minutes)Total: 120 Marks

Section A: Generic (35% Weightage - 42 Questions)

42 Marks
  • Logical Reasoning and Analytical Ability
  • Quantitative Aptitude (Arithmetic, Algebra, Geometry, Probability)
  • General English and Comprehension

Section B: Technical Computer Science (65% Weightage - 78 Questions)

78 Marks
  • Engineering Mathematics (Discrete Maths, Graph Theory, Linear Algebra, Probability, Calculus)
  • Computer Organization & Architecture (Pipeline, Cache, Instruction Set, Memory Hierarchy)
  • Data Structures & Algorithms (Trees, Graphs, Sorting, Hashing, Dynamic Programming, Asymptotic Notation)
  • Operating Systems (Processes, Threads, Semaphores, Deadlocks, Memory Management, File Systems)
  • Database Management Systems (Relational Model, Normalization, SQL, Transactions, Concurrency, Indexing)
  • Computer Networks (OSI, TCP/IP, Routing Algorithms, IP Addressing, Network Security, Cryptography)
  • Theory of Computation & Compiler Design (DFA/NFA, Context Free Grammars, Turing Machines, Parsing, Code Generation)
  • Software Engineering (Agile, Testing, Design Patterns, Lifecycle Models)
  • Web Technologies & Cloud Fundamentals (HTML, CSS, JS, REST APIs, Microservices, Cloud Concepts)

Recommended Preparation Strategy

  • Focus 70% of study time on core Computer Science subjects (OS, Networks, DBMS, DSA).
  • Solve previous 10 years GATE CS and NIELIT Scientist B question papers.
  • Maintain formula sheet for Engineering Mathematics and discrete graph theory.
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Syllabus and exam pattern are compiled for student reference. Always verify with official commission gazettes. Read our Disclaimer Policy.