ISRO SAC Question Paper for CS/IT

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Posted on: January 27, 2026

About ISRO SAC Recruitment

The ISRO SAC (Space Applications Centre) is one of the major centers of ISRO involved in satellite-based applications such as communication, remote sensing, navigation, and disaster management.

Recruitment is conducted for the post of:

  • Scientist/Engineer ‘SC’ (Computer Science / IT)

ISRO SAC Selection Process

StageDescriptionWeightage
Stage 1Written Test70%
Stage 2Interview30%

📌 Important Note: Only candidates qualifying the written test are called for the interview.

ISRO SAC CS/IT Exam Pattern (Detailed)

ParameterDetails
Exam ModeOnline (Computer Based Test)
Total Questions100
Total Marks100
Time Duration60 Minutes
Question TypeObjective (MCQs)
Marks per Question1 Mark
Negative Marking❌ No

✅ Since there is no negative marking, candidates are advised to attempt all questions.

SRO SAC CS/IT Syllabus – Subject Wise

Core Computer Science Subjects

SubjectImportant Topics
Data StructuresArrays, Stack, Queue, Linked List, Tree, Graph
AlgorithmsSorting, Searching, Greedy, DP, Time Complexity
Operating SystemsProcess, Threads, Scheduling, Deadlock, Memory
DBMSER Model, Normalization, SQL, Indexing
Computer NetworksOSI, TCP/IP, Routing, Congestion
Compiler DesignPhases, Parsing, Syntax Trees
Software EngineeringSDLC, Testing, UML

Programming Languages

LanguageFocus Areas
CPointers, Structures, Memory Allocation
C++OOPS, STL (basic)
JavaOOPS, Exception Handling
PythonData Types, Functions, OOPS

Mathematics & Logic

TopicCoverage
Discrete MathematicsGraph Theory, Logic
Engineering MathsProbability, Linear Algebra
AptitudeLogical Reasoning, Quantitative
PostDownload
Scientific AssistantScientific Assistant-2016
Program AssistantProgram Assistant-2016
Technical AssistantTechnical Assistant-2016

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