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1. for what purposes are electronic equipments used now? what d they help us to do? 2. industrial electronics plays an important role today, doesn't it? 3. what electronic equipments are usually found at home? what car you find at home? 4. what is the difference between electric and electronic devices? 5. where do you actually see how electricity jumps through space? 6. what were the first electronic equipments based on? 7. did the first computers look like modern ones? 8. did the next stage come when transistors or cassettes were invented 9. why did computers become smaller when microchips were introduced
1 Electronic equipments are used now for scientific, industrial and everyday purposes.They help us to do jobs better or more rationally than before and take over jobs that couldn't be done otherwise.
2 Yes, it does.
3 We can find many electronic equipments at home:a tape recorder, a TV set, an MP3 player, a computer and many others.
4 In electric devices electricity flows in the wire but inside any electronic device electric current passes through the space (or semiconductor) separating certain parts in this detail.
5 We can actually see how electricity jumps through space in lightning.
6 The first electronic equipments were based on radio lamps.
7 No, they didn't.
8 Yes, it did.
9 Microchips helped to reduce big parts of devices,computers and other devices.
Объяснение: