Answers

2016-07-18T21:17:23+08:00
A computer keyboard is a typewriter-style device which uses an arrangement of buttons or keys to act as a mechanical lever or electronic switch. Following the decline of punch cards and paper tape, interaction via teleprinter-style keyboards became the main input device for computers.
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2016-07-19T05:55:57+08:00
Blackboars ⛵⚓po i know because merong key at board
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