Which devices among following are usually designed on the complex electromechanical principle ?
A. Printing devices
B. Input devices
C. Storage devices
D. Peripheral devices
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Input devices
Answer: Option B
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Answer:
(B) Input device
Explanation:
Electro-mechanical principle is the process of converting electrical to mechanical energy or mechanical to electrical energy.
Touch screen is one of the electromechanical input device. Touch screen provides all kinds of service where it sense the fingers of the human and do the necessary operations. There are touch screen ATMs, Smart phones etc which gives information world-wide in one touch.
Other electromechanical input devices are keypad, keyboard, microphone, scanner etc.
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