PGDCA-I (Computer Fundamental) Theory:- FS:(10:10-11:00) & MTW:(11:00-11:50)
FUNDAMENTALS OF COMPUTERS
PGDCA-101
UNIT - I
Introduction to Computers
Computer
system: characteristics and capabilities. Computer Hardware
and Software: Block Diagram of a Computer, Different Data Processing: Data,
Data Processing System, Storing Data, Processing Data. Types of Computers:
Analogue, Digital, Hybrid, General and Special Purpose Computers. Generation of
Computers.
UNIT - II
Computer Peripherals
Introduction
to Input Devices: Categorizing Input Hardware, Keyboard, Direct Entry –
Card Readers, Scanning Devices – O.M.R., Character Readers, Thumb Scanner,
MICR, Smart Cards, Voice Input Devices, Pointing Devices – Mouse, Light Pen,
Touch Screen. Computer Output:
Output Fundamentals, Hardcopy Output Devices, Impact Printers, Non-Impact
Printers, Plotters, Computer output Microfilm/Microfiche (COM) systems,
Softcopy Output Devices, Cathode Ray Tube, Flat Screen Technologies,
Projectors, Speakers.
UNIT -
III Basic Components & Storage
Central
Processing Unit: The Microprocessor, control unit, A.L.U., Registers,
Buses, Main Memory, Main Memory (RAM) for microcomputers, Read Only Memory (ROM).
Storage Devices: Storage
Fundamentals, Primary and Secondary Storage, Data Storage and Retrieval Methods
– Sequential, Direct & Indexed Sequential, Tape Storage and Retrieval
Methods Tape storage Devices, characteristics and limitations, Direct access
Storage and Microcomputers - Hard Disks, Disk Cartridges, Direct Access Storage
Devices for large Computer systems, Mass storage systems and Optical Disks, CD
ROM.
UNIT - IV
Computer Software & Languages
System
Software: System software Vs. Application Software, Types of
System Software, Introduction and Types of Operating Systems. Boot Loader,
Diagnostic Programs, BIOS, Utility Programs. Application Software: Microcomputer Software, Interacting with the
System, Trends in PC software, Types of Application Software, Difference
between Program and Packages. Computer Languages: Definition,
Generations of computer languages, Types of Languages, Language Processors:
Assembler, Interpreter, Compiler.
UNIT – V: Operating System and Linux
Introduction, Uses of
OS, Functions of OS, Booting process, Types of Reboot, Booting from different
OS, Types of OS, DOS, Windows, Linux Open source Software concept and evolution
of Linux; Features of Multi-User Operating System; Structure of Linux OS;
Security Features of Linux, File System, Directory Structure and related
commands. Linux Editors & editor commands, Linux commands cd, md, rm, mv,
cp, ls, cat, find, grep.
Books Recommended:
- Computer
Fundamentals, P. K. Sinha, BPB Publications, Sixth Edition.
- Introduction to
Information Technology, V. Rajaraman, PHI, Second Edition.
- Operating System
Concepts, Silberchartz, Galvin and Gagne, Wiley India Edition
- Unix Concepts and
Applications, Sumitabha Das, McGarw hill
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