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Old January 22nd, 2014, 11:55 AM
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Default ISRO Syllabus and Paper Pattern for Computer Science Engineer or Scientist

Give me the syllabus and paper pattern of the ISRO Recruitment exam for the post of Computer Science engineer or Scientist?
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Old January 22nd, 2014, 12:24 PM
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Default Re: ISRO Syllabus and Paper Pattern for Computer Science Engineer or Scientist

Indian Space Research Organization is one of the most reputed institutes in India which conducts the majority of the space related researches of the various space programmes of the country.

Exam Pattern:

The paper is of Objective type. These objective questions have four choices. The candidate is expected to choose one of these four options.
Total no of questions: 80
Duration: 90 minutes
Marking: +3 for correct & -1 for wrong


Computer H/W Digital Logic:

Logic functions, Minimization, Design and synthesis of Combinational and Sequential circuits -- Number representation and Computer Arithmetic (fixed and floating point)

Computer Organization:

Machine instructions and addressing modes, ALU and Data-path, hardwired and micro-programmed control, Memory interface, I/O interface (Interrupt and DMA mode), Serial communication interface, Instruction pipelining, Cache, main and secondary storage.

SOFTWARE SYSTEMS Data structures:
Notion of abstract data types, Stack, Queue, List, Set, String, Tree, Binary search tree, Heap, Graph --

Programming Methodology:
C programming, Program control (iteration, recursion, Functions), Scope, Binding, Parameter passing, Elementary concepts of Object oriented, Functional and Logic Programming --

Algorithms for problem solving:

Tree and graph traversals, Connected components, Spanning trees, Shortest paths -- Hashing, Sorting, Searching -- Design techniques (Greedy, Dynamic Programming, Divide-and-conquer) --

Compiler Design:
Lexical analysis, Parsing, Syntax directed translation, Runtime environment, Code generation, Linking (static and dynamic) --

Operating Systems:
Classical concepts (concurrency, synchronization, deadlock), Processes, threads and Inter-process communication, CPU scheduling, Memory management, File systems, I/O systems, Protection and security.


Relational model (ER-model, relational algebra, tuple calculus), Database design (integrity constraints, normal forms), Query languages (SQL), File structures (sequential files, indexing, B trees), Transactions and concurrency control --

Computer Networks:
ISO/OSI stack, sliding window protocol, LAN Technologies (Ethernet, Token ring), TCP/UDP, IP, Basic concepts of switches, gateways, and routers.

sample paper of the ISRO Exam:

1. Which of the following features usually applies to data in a data warehouse?
(a) Data are often deleted
(b) Most applications consists of transactions
(c) Data are rarely deleted
(d) Relatively few records are processed by applications
(e) None of these

2. Which of the following is a transaction?
(a) A group of SQL statements consisting of one read and one write operation
(b) A group of SQL statements consisting only of ready operations.
(c) A group of SQL statements defining a user-oriented task
(d) A group of SQL statements consisting only of write operations.
(e) None of these

3. There are several security devices used to stop individuals from exploiting your system. Which of the following is used in conjunction with a firewall?
(a) Proxy server
(b) Intrusion- detection system
(c) Terminal server
(d) Web server
(e) None of these

4. The effect of the ROLLBACK command in a transaction is the following
(a) Undo all changes to the data- base resulting from the execution of the transaction
(b) Undo the effects of the last UPDATE command
(c) Restore the content of the database to its state at the end of the previous day
(d) Make sure that all changes to the database are in effect
(e) None of these

5. A client / server network .
(a) has clients that provide functions such as application control and shared computation.
(b) uses client computers to provide copies of software to the server to allow server processing.
(c) provides a company with the capability to downsize from lager computer systems and move away from legacy systems.
(d) has server computers that perform all processing, clients are' dumb' input/ output devices only.
(e) None of these.

6. An applet is . Document application program.
(a) a static
(b) a dynamic
(c) an active
(d) a passive
(e) None of these

7. The local antenna for satellite connections is called a ..
(a) modem
(b) terminal
(c) VSAT
(d) DTA
(e) None of these

8. What are the four basis connecting hardware devices?
(a) Repeater, bridge, router and gateway
(b) Repeater, bridge, router and dell
(c) Repeater, connector, router and gateway
(d) Amplifier, bridge, router and gateway
(e) None of these

9. Which type of processing speed measurement is used primarily with supercomputers?
(a) Flops
(b) Fractions of second
(c) Gigahertz
(d) MIPS
(e) None of these

10. This type of software is designed for users who want to customize the programs they use.
(a) Shareware
(b) Open-source software
(c) Freeware
(d) Macros
(e) None of these

11. What is the term associated with the second part of an e-mail address?
(a) Local address
(b) Eight characters long
(c) User name
(d) Domain name
(e) None of these

12. A port that allows 8 bits at a time to be transmitted simultaneously is a (n) ..
(a) dedicated port
(b) parallel port
(c) SCSI port
(d) USB port
(e) None of these

13. In order for computers to communicate across a network, they must be connected through a(n)..
(a) TCP/IP
(b) Topology
(c) Ethernet
(d) Thin client
(e) None of these
(f) C. Rangarajan

14. What is a specialized software program that allows input and output devices to communicate with the rest of the computer system?
(a) Utility driver
(b) Utility program
(c) Data compression utility
(d) Device driver
(e) None of these

15. Single party disk relying on the disk controller for finding out which disk has failed is used by-
(a) RAID level 5
(b) RAID level 2
(c) RAID level 4
(d) RAID level 3
(e) RAID level 1

16. Which of these terms refers to the feature of an OS that allows a single computer to process the tasks of several users at different stations, in round-robin fashion?
(a) Multiprocessing
(b) Multiprogramming
(c) Multitasking
(d) Time processing
(e) Time-sharing

17. Which of the following statements is not true about two-tier client-server database architecture?
(a) SQL statements are processed on the server
(b) SQL statements may be processed on some of the clients
(c) Business logic is mostly processed on clients
(d) Business logic may be processed on the server
(e) None of these

18. A Relational operator that yields all values from selected attributes is known as a -
(a) difference
(b) product
(c) select
(d) project
(e) join

19. Normalization is:
(a) the process of creating small stable data structures from complex groups of data when designing a relational database
(b) a methodology for documenting database illustrating the relationship between various entities in the database
(c) an approach to data management that stores both data and the procedures acting on the data as object that can be automatically retrieved and shared
(d) a representation of data as they would appear to an application programmer or user
(e) a representation of data as they actually would be organized on physical storage media

20. The process of building a model that demonstrate the features of a proposed product, service or system is called a -
(a) JAD
(b) RAD
(c) templating
(d) prototyping
(e) TAD

21. Which of the following is mandatory component of a URL?
(a) Resource Path
(b) Protocol
(c) Port Number
(d) Domain Name
(e) None of these

22. DBMS allows you to extrapolate information from your data by using a-
(a) query language
(b) table generator
(c) report generator
(d) wizard
(e) None of these

23. A subschema is -
(a) a description of the physical and logical structure of data and the relationship among the data
(b) a file that identifies the subset of data that a group of users can access
(c) a detailed description of all data contained in the database
(d) a description of the types of modifications that users can make to a database
(e) Either (c) or (d)

24. Which of the following is not a type of hub?

(a) Passive hub
(b) Inactive hub
(c) Switching hub
(d) Intelligent hub
(e) None of these

25. The .. lists the location of files on the disk
(a) FAT
(b) boot sector
(c) root folder
(d) data area
(e) None of these

1. (b) 2. (a) 3. (a) 4. (a) 5. (b)
6. (b) 7. (e) 8. (a) 9. (a) 10. (a)
11. (d) 12. (b) 13. (b) 14. (d) 15. (d)
16. (e) 17. (c) 18. (d) 19. (a) 20. (d)
21. (e) 22. (a) 23. (e) 24. (b) 25. (a)
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Old January 30th, 2015, 05:01 PM
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Join Date: May 2013
Posts: 23,781
Default Re: ISRO Syllabus and Paper Pattern for Computer Science Engineer or Scientist

Indian research Organization does not publish the syllabus for the Computer Science or any other exam. But you can prefer the Graduate Aptitude test in Engineering (GATE) Computer Science syllabus. It covers the topic for the exam. And in opinion you should prefer the previous year question paper, so you will have an idea about the exam.

And let me clear you one thing also that Engineering mathematics questions are also asked in the exam so you need to prefer for that also, many students have doubt about it.

Here, I am giving you GATE Computer Syllabus:

Engineering Mathematics

Mathematical Logic: Propositional Logic; First Order Logic.

Probability: Conditional Probability; Mean, Median, Mode and Standard Deviation; Random Variables; Distributions; uniform, normal, exponential, Poisson, Binomial.

Set Theory & Algebra: Sets; Relations; Functions; Groups; Partial Orders; Lattice; Boolean Algebra.

Combinatorics: Permutations; Combinations; Counting; Summation; generating functions; recurrence relations; asymptotics.

Graph Theory: Connectivity; spanning trees; Cut vertices & edges; covering; matching; independent sets; Colouring; Planarity; Isomorphism.

Linear Algebra: Algebra of matrices, determinants, systems of linear equations, Eigen values and Eigen vectors.

Numerical Methods: LU decomposition for systems of linear equations; numerical solutions of non-linear algebraic equations by Secant, Bisection and Newton-Raphson Methods; Numerical integration by trapezoidal and Simpson's rules.

Calculus: Limit, Continuity & differentiability, Mean value Theorems, Theorems of integral calculus, evaluation of definite & improper integrals, Partial derivatives, Total derivatives, maxima & minima.

Computer Science and Information Technology

Digital Logic: Logic functions, Minimization, Design and synthesis of combinational and sequential circuits; Number representation and computer arithmetic (fixed and floating point).

Computer Organization and Architecture: Machine instructions and addressing modes, ALU and data-path, CPU control design, Memory interface, I/O interface (Interrupt and DMA mode), Instruction pipelining, Cache and main memory, Secondary storage.

Programming and Data Structures: Programming in C; Functions, Recursion, Parameter passing, Scope, Binding; Abstract data types, Arrays, Stacks, Queues, Linked Lists, Trees, Binary search trees, Binary heaps.

Algorithms: Analysis, Asymptotic notation, Notions of space and time complexity, Worst and average case analysis; Design: Greedy approach, Dynamic programming, Divide-and-conquer; Tree and graph traversals, Connected components, Spanning trees, Shortest paths; Hashing, Sorting, Searching. Asymptotic analysis (best, worst, average cases) of time and space, upper and lower bounds, Basic concepts of complexity classes P, NP, NP-hard, NP-complete.

Theory of Computation: Regular languages and finite automata, Context free languages and Push-down automata, Recursively enumerable sets and Turing machines, Undecidability.

Compiler Design: Lexical analysis, Parsing, Syntax directed translation, Runtime environments, Intermediate and target code generation, Basics of code optimization.

Operating System: Processes, Threads, Inter-process communication, Concurrency, Synchronization, Deadlock, CPU scheduling, Memory management and virtual memory, File systems, I/O systems, Protection and security.

Databases: ER-model, Relational model (relational algebra, tuple calculus), Database design (integrity constraints, normal forms), Query languages (SQL), File structures (sequential files, indexing, B and B+ trees), Transactions and concurrency control.

Information Systems and Software Engineering: information gathering, requirement and feasibility analysis, data flow diagrams, process specifications, input/output design, process life cycle, planning and managing the project, design, coding, testing, implementation, maintenance.

Computer Networks: ISO/OSI stack, LAN technologies (Ethernet, Token ring), Flow and error control techniques, Routing algorithms, Congestion control, TCP/UDP and sockets, IP(v4), Application layer protocols (icmp, dns, smtp, pop, ftp, http); Basic concepts of hubs, switches, gateways, and routers. Network security basic concepts of public key and private key cryptography, digital signature, firewalls.

Web technologies: HTML, XML, basic concepts of client-server computing.

ISRO Computer Science Examination Pattern: The exam will offline and contains objective type questions.

Total questions: 80
Exam Duration: 90 minutes

There is negative marking of the one mark for each wrong answer. each correct answer is awarded by the 3 marks.

Here, I am forwarding some previous year exam papers

ISRO CS papers detail to atteched two pdf files......................
Attached Files
File Type: pdf ISRO CS paper 1.pdf (524.2 KB, 142 views)
File Type: pdf ISRO CS paper2.pdf (521.0 KB, 98 views)
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