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HIGHER SECONDARY SCHOOL TEACHER – COMPUTER SCIENCE /COMPUTER APPLICATION (JUNIOR)(CATEGORY NO. 111/2010)
Date of Exam :- 01/09/2011 Thursday 08.00 AM to 09.15 AM Number of Candidates :- 15,374
1. Discrete Structures
Sets, Relations, Functions. Pigeonhole Principle, Inclusion-Exclusion principle, Equivalence and
Partial Orderings. Elementary Counting Techniques.
Computability : Models of computation - Finite Automata, Pushdown Automata, Non-determinism
and NFA, DPDA and PDA s and Languages accepted by these structures. Grammars - types of
grammars - type 0 , type I, type 2 and type 3. The relationship between types of grammars,
Languages, Non-computability, Non-computable problems.
Groups : Finite fields and Error correcting / detecting codes.
Propositional logic. Predicate logic. Well-formed formulae (WFF). Satisfiability and Tautology.
2. Computer Arithmetic
Logic families : TTL, ECL and C-MOS gates. Boolean algebra and Minimization of Boolean
functions, Flip-flops- types, race condition and comparison, Design of combinational and sequential
circuits.
Representation of Integers : Octal. Hex. Decimal and Binary 2's complement and 1's complement
arithmetic. Floating point representation.
3 . Programming in C and C++
Programming in C : Elements of C - Tokens, identifiers, data types in C, Control constructs in C,
Sequence, selection and iteration. Structured data types in C - arrays, structs, unions, strings and
pointers.
Object-Oriented programming Concepts : Class - object, instantiation, Inheritance -polymorphism
and overloading, aggregation, abstract classes, generalization as extension and restriction. Object
oriented design. Multiple inheritance
C++ - programming : Elements of C++ - Tokens, Identifiers, Variables and constants. Data types,
Operators. Control statements, Functions, parameter passing, Class and objects, Constructors and
destructors, Overloading, Inheritance, Templates, Exception handling. 4. Relational Database Design and Query Languages
E-R diagrams, Transformation of E-R models to relational design, Normalization - INF, 2NF, 3NF,
BCNF and 4NF.
SQL : Data Definition Language ( DDL) , Data Manipulation Language (DML), Data Control
Language (CDL) Commands. Database objects like- Views, indexes, sequences, synonyms, data
dictionary, Embedded SQL, QBE
Query Processing and Optimisation, Centralised and Distributed Database, Security,
Concurrency and Recovery in Centralised and Distributed Database Systems, Object Oriented
Database Management Systems – Concepts, Composite objects, Integration with RDBMS
applications.
5. Data Structures and Algorithms
Data, Information. Definition of data structure, Arrays, stacks, queues, linked lists, trees,
graphs, priority queues and heaps.
File Structures : Fields, records and files. Sequential, direct, index-sequential and relative
files. Hashing, inverted list and multi- lists, B-trees and B+ trees.
Graphs : Definition, walks, paths, connected graphs, regular and bipartite graphs, cycles and
circuits. Tree and rooted tree, Spanning trees, Eccentricity of a vertex radius and diameter of
a graph, Hamiltonian and Eulerian graphs. Planar graphs.
Sorting and Searching Algorithms, Analysis of Algorithms, Interpolation and Binary Search.
Asymptotic notations - big oh. omega and theta. Average case analysis of simple programs
like finding of a maximum of n elements. Recursion. Quick sort.
Design of Algorithms (Divide and Conquer. Greedy method. Dynamic programming. Back
tracking. Branch and Bound).
6. Data Communication and Computer Networks
Data Communication : Analog and Digital transmission. Asynchronous and Synchronous
transmission. Transmission media. Multiplexing and Concentration, Switching techniques.
Polling. Channel capacity. Transmission media - twisted pair, coaxial cables, fibre-optic
cables, wireless transmission- radio, microwave and infrared waves. Light wave
transmission. Telephones - local loop, trunks, multiplexing, switching, narrowband ISDN,
broadband ISDN. ATM, High speed LANs. Cellular Radio, Communication satellitesgeosynchronous and low-orbit.
Reference Models : The OSI model, TCP/I P model.
Topologies, Networking Devices. Protocols for - ( i) Data link layer (ii) Network layer, and
(iii) Transport layer, TCP/I P protocols, Networks security, Network administration.
Local Area Networks (LAN), Metropolitan Area Networks (MAN), Wide Area Networks
(WAN). Wireless Networks, Inter Networks.
Internetworking : Switch/Hub. Bridge. Router. Gateways. Concentrated virtual circuits.
Tunnelling, Fragmentation. Firewalls.Routing : Virtual circuits and datagrams. Routing Algorithms. Congestion control.
Network Security : Cryptography - public key, secret key, Domain Name System (DNS) - Electronic
Mail and World Wide Web {WWW). The DNS, Resource Records. Name servers. E-mail
architecture and E-mail Servers.
7. System software and Compilers.
Assembly language fundamentals (8085 and 8088 based assembly language programming).
Assemblers - 2-pass and single-pass. Macros and macro processors.
Loading, linking, relocation, program relocatability. Linkage editing.
Text editors, Programming Environments. Debuggers and program generators.
Compilation and Interpretation. Bootstrapping. Phases of compilation. Lexical analysis. LEX.
Context free grammars. Parsing and parse trees. Representation of parse trees and rightmost and
leftmost derivations, Bottom up parsers - shift-reduce. operator precedence and LR. YACC.
Top down parsers - left recursion and its removal. Recursive descent parser. Predictive parser.
Intermediate codes - Quadruples, Triples. Indirect Triples. Intermediate code generation, Code
generation, Code optimization.
8. Operating Systems
Main functions of operating systems. Multiprogramming, multiprocessing and multitasking.
Memory management ; Virtual memory, paging, fragmentation.
Concurrent processing : Mutual exclusion. Critical regions, lock and unlock.
Scheduling : CPU scheduling. I /O Scheduling. Resource scheduling. Deadlock and scheduling
algorithms. Banker's algorithm for deadlock handling.
The Unix system : File system, process management. Bourne shell, shell variables, command line
programming.
Systems Calls : Creat, open, close, read, write. Iseek, link, unlink, stat, fstat, umask, chmod, exec,
fork, wait, system.
9. Software Engineering
System Development Life Cycle (SDLC) : Steps, Water fall model. Prototypes, Spiral model.
Software Metrics ; Software Project Management.
Software Design : System design. detailed design. function oriented design, object-oriented design,
user interface design. Design level metrics.
Coding and Testing : Testing level metrics. Software quality and reliability. Clean room approach,
software engineering
10. Computer Graphics
Display systems. Input devices, 2D Geometry - .Algorithms for drawing primitives, clipping and
windowing, windows, view ports, Graphic operations for transformations , 3D Graphics. Animation,
Graphics standard. Applications.
Storage Devices, Input Tools. Authoring Tools, Application, Files.
11. Programming Language Theory
Programming language concepts, paradigms, models.
Data. Data types, Operators, Expressions. Assignment. Flow of Control - Control structures, I/O
structures. I/O statements, User-Defined and built- in functions. Parameter passing.
Principles, classes, inheritance, class hierarchies, polymorphism, dynamic binding, reference
semantics and their implementation.
Principles, functions, lists, types and polymorphism, higher order functions, lazy evaluation,
equations and pattern matching.
Principles, horn clauses and their execution, logical variables, relations, data structures, controlling
the search order, program development in Prolog, implementation of Prolog, example programs in
Prolog.
12. Current Trends and Technologies
The topics of current interest in Computer Science and Computer Applications shall be covered. The
experts shall use their judgement from time to time to include the topics of popular interest which are
expected to be known by an ardent follower of the field. Currently, they include :
Parallel computing
Parallel virtual Machine (PVM) and message passing interface (MPI) libraries and calls. Advanced
architectures. Today's fastest computers
Mobile Computing
Mobile connectivity - Cells. Framework, wireless delivery technology and switching methods, mobile
information access devices, mobile data internetworking standards, cellular data communication
protocols, mobile computing applications. Mobile databases - protocols, scope, tools and technology.
E-Technologies
Electronic Commerce : Framework, Media convergence of Applications, Consumer Applications,
Organisation applications.
Electronic Payment Systems : Digital Token, Smart Cards, Credit Cards. Risks in Electronic Payment
System, Designing Electronic Payment Systems.
Electronic Data Interchange (EDI) : Concepts, Applications, (Legal, Security and Privacy) issues.
EDI and Electronic Commerce. Standardisation and EDI. EDI Software Implementation. EDI
Envelope for Message Transport, internet-based EDI.
Data Warehousing : Data Warehouse environment, architecture of a data warehouse methodology,
analysis, design, construction and administration.
Data Mining : Extracting models and patterns from large databases, data mining techniques,
classification, regression, clustering, summarization, dependency modelling, link analysis,
sequencing analysis, mining scientific and business data.
Principles of parallelism, co routines, communication and execution, Parallel Virtual Machine (PVM)
and Message Passing Interface (MPI) routines and calls. Parallel programs in PVM paradigm as well
as MPl paradigm for simple problems like matrix multiplication.
NOTE: - It may be noted that apart from the topics detailed
above, questions from other topics prescribed for the educational
qualification of the post may appear in the question paper. There
is no undertaking that all the topics above may be covered in the
question paper.
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