Brief history and types of computers, application area, working principles of computer systems, single and multi user systems.
2.Number Systems Codes and Computer Logic:
Binary, octal, decimal, hexadecimal number systems, arithmetic operations, ASCII, BCD, EBCDIC, gray, weighted codes, Boolean functions, Data representations, representation of integer, real, floating point numbers and characters.
Organization and Architecture, Motherboard and Microprocessors, Memory units, I/O devices, Peripheral Devices.
Classification, Application Software: Database spreadsheet and word processing software. System software, and Operating Systems, importance, Component and basic functions of DOS, Windows & UNIX operating System.
Bus Architecture, Firmware, POST and BIOS.
Classifications, assembler, compiler, interpreter, source and object programming.
Multimedia systems, Computer Network, Basic conception of LAN, MAN, WAN, Internet and intranet system, selection of computers: hardware, software and cost consideration.