5. What are the main generations of computers, and what technology defined each?
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- Answer: The main generations are: 1st (vacuum tubes), 2nd (transistors), 3rd (integrated circuits), 4th (large-scale integrated circuits, LSIC), and 5th (very large-scale integrated circuits, VLIC, and modern processors).
- Description: Computer evolution started with vacuum tubes (1940s), which were large and slow. Transistors (1950s) made them smaller and faster. Integrated circuits (1960s) combined components on a chip, boosting efficiency. LSIC and VLIC (1970s onward) shrank sizes further and increased power, leading to today’s fast, compact devices. Each stage marked a leap in technology, shaping modern computing.
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