ISRO Scientist Computer Science Syllabus
Part A: Computer Science :
Databases :
1. ER-model
2. Relational model: relational algebra, tuple calculus, SQL
3. Integrity constraints, normal forms
4. File organization, indexing (e.g., B and B+ trees)
5. Transactions and concurrency control
Digital Logic :
1. Boolean algebra
2. Combinational and sequential circuits
3. Minimization
4. Number representations and computer arithmetic (fixed and floating point)
Computer Organization and Architecture :
1. Machine instructions and addressing modes
2. ALU, data-path and control unit
3. Instruction pipelining
4. pipeline hazards
5. Memory hierarchy: cache, main memory and secondary storage; I/O interface (interrupt and DMA mode)
Programming and Data Structures :
1. Programming in C. Recursion
2. Arrays, stacks, queues, linked lists, trees, binary search trees, binary heaps, graphs.
Algorithms :
1. Searching
2. sorting
3. hashing
4. Asymptotic worst case time and space complexity
5. Algorithm design techniques: greedy, dynamic programming and divide-and-conquer
6. Graph traversals, minimum spanning trees, shortest paths
Computer Networks :
Concept of layering: OSI and TCP/IP Protocol Stacks; Basics of packet, circuit and virtual circuit- switching; Data link layer: framing, error detection, Medium Access Control, Ethernet bridging; Routing protocols: shortest path, flooding, distance vector and link state routing; Fragmentation and IP addressing, IPv4, CIDR notation, Basics of IP support protocols (ARP, DHCP, ICMP), Network Address Translation (NAT); Transport layer: flow control and congestion control, UDP, TCP, sockets; Application layer protocols: DNS, SMTP, HTTP, FTP, Email
Theory of Computation :
1. Regular expressions and finite automata
2. Context-free grammars and push-down automata
3. Regular and context-free languages, pumping lemma
4. Turing machines and undecidability
Compiler Design :
1. Lexical analysis, parsing, syntax-directed translation.
2. Runtime environments.
3. Intermediate code generation.
4. Local optimization, Data flow analyses: constant propagation, liveness analysis, common subexpression elimination.
Operating System :
1. System calls
2. processes
3. threads
4. inter-process communication
5. oncurrency and synchronization
6. Deadlock
7. CPU and I/O scheduling. Memory management and virtual memory
8. File systems.
Part B: Aptitude/Ability :
1. Numerical Reasoning
2. Logical Reasoning
3. Digrammatic Reasoning
4. Abstract Reasoning and Deductive Reasoning
ISRO Scientist Computer Science How to Apply
1. Visit the official website of ISRO i.e. www.isro.gov.in.
2. Download the ISRO Scientist Engineer Notification 2023 PDF and read it carefully.
3. Check for the Eligibility Criteria and apply for the respective post for ISRO Recruitment 2023.
4. Click on the Online Application Form. After that, the new screen will be open.
5. Enter all the essential details in the application form and upload all the scanned copies of documents as mentioned in the notification.
6. Verify all the given details before clicking the submit button.
7. Make online payment of application fees.
8. Now, submit the filled application form finally and take a printout for future reference.
Application Fee :
1. UR/OBC/EWS Rs. 250/-
2. SC/ST/PwD Exempted
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