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Erstellt von samstevenson2014
vor mehr als 9 Jahre
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Frage | Antworten |
What did weapons systems and space exploration depend on? | Powerful computers |
Where were the first computers built and why? | England to help break secret German codes |
Who produced the first general computer in 1946? | The American military |
How much did it weigh? | 19 tonnes |
What appeared in 1951? | The first commercial computer Universal Automatic Computer (UNIVAC) |
How much did it cost? | Over $1m |
How many words could it hold? | 1,000 |
What was the transistor? | A gate for electronic signals |
Why were several transistors combined on a piece of silicon? | For complex calculations |
What was developed in the 1970's? | Micro-processors |
What did they allow? | Computers with a small screen |
Who developed the first personal computer and when? | Apple in 1976 |
What did personal computers lead to? | Computer games (Nintendo/Game Boy) |
What did the US military worry about? | What would happen if Soviet bomb blew up central control |
What did they create to avoid this? | Network of computers (ARPANET) |
What did this form the basis of? | The internet |
What allowed vast quantities of information to be carried along a phone line to a computer with a modem in the 1990's? | Fibre optics |
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