Flashcards
Chapter 1 Key words
Cards in this deck (16)
- 1analogueanalogue signals are continually variable.they use continous ranges of values to represent information
- 2digitaldigital signals have discrete values such as on/off
- 3personal computerinclude netbooks, laptops, notebooks computers, palmtops, desktop computers, tablet computer.
- 4mainframe computerlarge computers used in banks, insurance firms where very large amounts of data have to be processed quickly.
- 5super computervery fast computers used in universities and other areas where complex calculations are needed.
- 6inputentering data into a computer system is input.
- 7processingdata is converted from one form to another. this is done by commands and instructions.
- 8outputthe results of processing are shown.
- 9storagedata is kept or recorded while waiting to be used for future use.
- 10networkwhen computers are connected together so they can share data and evices such as printers
- 11interfacethis is where data is transferred between computer devices.
- 12usb interfacefor use on personal computers to connect peripheral devices such as printers.
- 13peripheral devicesa device that isnt part of the computer but is attached to a computer
- 14ROMread only memory is a permanent storage area of memory that does not lose its data when power is turned off.
- 15RAMrandom access memory loses its data when power is turned off.
- 16BIOSbasic in out system that is needed to tell the computer what to do on startup.
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- Year 10 IT Flashcards on Chapter 1 Key words , created by thomas baxter on 24/05/2017.
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- thomas baxter
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