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Computer Sciecne

Computer Science Study Material

Computer Science Syllabus for SSC Scientific Assistant

Computer Science and Information Technology

Computer: History of Computer and their classification, Basic Organization, Memory – RAM, ROM, EPROM, etc, Magnetic-Floppy, Hard disks, CDROM, WORM etc, Concept of Virtual Memory and Cache Memory, Number systems, binary octal, Hexadecimal, Binary Addition, Subtraction and Multiplication, Flotation, point representation and arithmetic, Arithmetic through stacks.

Operating systems: assemblers, elements of Assembly language programming-Overview of the Assembly process, assembler for the IBM PC, Process synchronization, Memory Management – address Binding – dynamic Loading and linking – overlays – logical and Physical address space – Contiguous Allocation – internal& External Fragmentation. Non-Contiguous Allocation: Paging and Segmentation Schemes – Implementation – Hardware Protection – Protection – sharing – Fragmentation.

Virtual Memory: Demand Paging – Page Replacement – Page Replacement algorithms – Thrashing.

File System: File Concepts – Assess Methods – Directory Structures – Protection Consistency Semantics – File system Structures – Allocation Methods – Free Space Management.

I/O System: Overview – I/O hardware – Application I/O Interface – Kernel I/O subsystem, Performance, Secondary Storage Structures, Protection, Goals, Domain – Access matrix.

Assemblers: Elements of assembly language programming – Overview of the Assembly process – Design of a low-pass Assembler – a single pass Assembler for the IBM PC. The security Problem – Authentication – Threats – Threat Monitoring – Encryption.

Fundamentals of programming: Unix Programming, Programming in FORTRAN, C, Object Oriented Programming in C++, programming in Java, Basics of compilers.

Database Management Systems: Advantages and components of a Database Management Systems, Data Types, Data Dictionary, Query Basics, Forms and Reports, Graphical objects, Error Handing, Distributing Application, Data Storage Methods, Data Clustering and Partitioning, Database Administration, Backup and Recovery, Security and Privacy, Distributed Databases, Client/Server Databases, Object Oriented Databases, Integrated Applications, SQL, RDBMS.

Internet Technology: Basics, topologies, layers, switching in the networks, bridges, routers and gateways, types of networks, WWW. Client/Server

Applications, Internet Standards and specifications, ISP, Broad Band Technologies, Protocols, web-servers, browsers, and security, fire walls, date security, HTML, dHTML, XML, Web designing.

Fundamentals of Geographical Information System (GIS): GIS Data and Spatial Models, Topology ad Spatial Operations, Projections, Scale and Coordinate Systems, Mapping, GIS Analysis, Cartography. Basics of GIS application development.

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