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FIRST YEAR B.SC. COMPUTER SCIENCE Paper-I : Introduction to Information Technology UNIT- I Computer Basics : Introduction , Evolution of Computers, Generations of Computers ,Classification of Computers. The Computer system : Components of a Computer system ,Communication among various Units. Applications of computers. UNIT- II Computer Memory : Memory Hierarchy, Different Types of RAM & ROM. System software : Introduction to system software, Distinction between systems software and Application software. Introductory ideas of loaders and linkers Computer language, Assemblers, Compilers and Interpreters. UNIT- III Operating systems : Evolution, introduction to OS , functions and facilities, single tasking and multitasking OS , single user and multi-user OS, characteristics of MS-DOS and Unix operating systems , DOS and UNIX commands for file and process management. UNIT- IV Text editors: overview of editing process Graphical User Interfaces: Introduction to Windows, Word processing software packages and features, spread sheet packages and features,Working with Presentation packages. UNIT- V Computer Communications: Computer to computer communication through networking, Introduction to computer networks and networking software, Types of Networks, Internet and Intranet , Electronic mail. World Wide Web, URL ,Web browsers ,Search engine , Multimedia and Virtual reality. E-Commerce , Global Positioning System. Specifications of a typical desktop computer system, Recent Developments in ICT Recommended books: 1. Satish Jain : Information Technology 2. Alexis Leon : Fundamentals Of Information Technology 3. V.Rajaraman : Fundamentals of Computers
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