FST 155/6295  Information Technology and Operating Systems

UNIT-I  (7 Lectures)

Computer Evolution: History of computers, Categories of computers ( application wise), Characteristics of computers, types of computer ( analog, digital, hybrid), mini, mainframe, supercomputer, limitation of computer.

UNIT-II (6 Lectures)

Computer organization; block diagram of digital computer, CPU, ALU, main component of CPU, data base, main memory, secondary memory, RAM and ROM.

UNIT-III  (6 Lectures)

Devices: input devices, output devices, secondary storage devices, Magnetic tape, magnetic disk, floppy disk.

UNIT-IV  (8 Lectures)

Number system and computer arithmetic: Base/ Radix, decimal numbers, binary numbers, numbers, hexadecimal numbers with conversions and basic operations, encoding system (BCD, ASCII, EBCDIC, CODES).

UNIT-V  (8 Lectures)

Concept of software and data organization: computer languages, operating system, database, management system, data communication, concept of computer networking. Operating system: introduction to types of operating system, unix, MS DOS, type of languages, lotus, word star, windows.

References

1.      Fundamentals of computers-  V. Rajaraman

2.      Fundamentals of computers- E. Balaguruswami