Computers Hardware Generations
1. First Generation, 1946-59: Vacuum Tubes, Relays, Mercury Delay Lines:
1. First Generation, 1946-59: Vacuum Tubes, Relays, Mercury Delay Lines:
-ENIAC (Electronic Numerical Integrator And Computer): First electronic computer, 18000 vacuum tubes, 1500 relays, 5000 additions/sec.
-First stored program computer: EDSAC ( ELECTRONIC DELAY STORAGE AUTOMATIC CALCULATOR ).
2. Second Generation, 1959-64: Discrete Transistors.
3. Third Generation, 1964-75: Small And Medium Scale Integrated (MSI) Circuits.
4. Fourth Generation, 1975-present: The Microcomputers .
VLSI- based Microprocessor.
5. Fifth Generation, Future: Based On Artificial Intelligence.
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