Write all five generations of computer and which technology used in its developments
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First generation:(1940-1956)
- used vaccum tubes
- punched cards or paper tape
- electrostatic and mercury delay line memory, begining use of core
Second generation:(1956-1963)
- used discrete transistors
- punched cards I/O and line printers (mainframe), TTY (minicomputers)
- core memory, magnetic tape for mass storage
Third generation:(1964-1971)
- used integrated circuits (but not microprocessors)
- mostly same I/O and memory as second generation
Fourth generation:(1971-present)
- use microprocessors
- video terminals or TTYs initially used for I/O
- specialty computer printers developed
- semiconductor memory replaces core memory
- disk drives, hard drives and optical drives replace magnetic tape for mass storage, followed by solid-state drives (SSD)
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