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- 3. History of computer First Series 1 Genration Second Genration Third Genration Fourth Genration Fifth Genration First Genration Second Genration Third Genration Fourth Genration Fifth Genration Series 1 1951 1959 1965 1975 1990
- 4. Charles Babbage Father of computer 1791-1871:-
- 5. First Generations 1951- 1958: ENIAC The ENIAC (Electronic Numerical Integrator and Computer) was unveiled in 1946: the first all-electronic, general-purpose digital computer Vacuum Tubes Magnetic Drum 4,000 bits Hard Wire Programs in computers IBM 650, Univac I ENIAC
- 6. Second Generation 1959-1964 Transistors Magnetic Cores 32,000 bits Punch Cards CDC, GE, IBM
- 7. Third Generation 1965-1974 Silicon Chips (Integra ted circuits) = IC Cores, IC’s 128,00 0 bits Keyboa rd Entry IBM, NCR, Honey well
- 8. Fourth Generation 1975-1989 Silicon Chips (Large scale integrated circuits)= LSI IC’s, LSI’s Read programs off disks Apple, Xerox, Texas Instrument, Hewlett- Packard
- 9. Fifth Generation 1990-present Silicon Chips ( Very Large Integrated Circuits) VLSI LSI’s, VLSI’s Cd Rom, Optical Disk NEC, Packard Bell, Compaq, Other Clones Nanotechnolog y