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1. What type of device is computer keyboard ?
- A. Memory
- B. Memory
- C. Memory
- D. Memory
Answer: Option C
Explanation:
which uses an arrangement of buttons or keys to act as mechanical levers or electronic switches.
Replacing early punched cards and paper tape technology, interaction via teleprinter - style keyboards have been the main input method for computers since the 1970s, supplemented by the computer mouse since the 1980s.
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