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Which device can function as both an input and an output device?

Answer and explanation

Correct answer: Touchscreen

A touchscreen combines two functions in one device. Its display produces visual output for the user, while its touch-sensitive surface detects taps, swipes, and other commands as input. Therefore, option D is correct. A standard keyboard mainly supplies input, and a printer or projector mainly produces output, so the alternatives do not normally provide both functions together.

Related tags

IctTouchscreenInputOutputBasic Computer Operations (Hardware And Software)Basic Computer Operations Hardware And SoftwareIct (Information & Communication Technology) Skills IIct Information Communication Technology Skills I

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