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Task 10. Read:
The Five Generations of Computer
Learn history through generations
Integrated Circuits, Types of ICs, 1964-1971, Characteristics of third generation computers, Examples of third generation.
LSI, VLSI, ULSI, minicomputers and microcomputers, Intel 4004, User friendly software packages, IBM PCs, Macintosh, Operating Systems, High Level Languages, LAN, MAN, WAN.
ULSI, Bio-Chips, FGCS, parallel processing, artificial intelligence, natural language, points to remember
Task 14. Read:
The tangible parts of a computer system
1. Input Devices - Direct & Indirect Entry
What do you mean by direct and indirect entry input devices?
2. Computer Keyboards
Definition, types of keyboards, group of keyboard keys, keyboard layouts
3. Computer Mouse
Definition, types of computer mouse
4. Scanners & Recognition Technologies
Scanners, Types of Scanners, OCR, BCR, MICR