And often in one direction only

January 12, 2016



Which of these would be categorized as both an input and an output device? Pick two.

A) KVM

B) LCD display

C) Laser printer

D) Touch screen

E) Microphone

F) My brain only thinks one direction at a time


The answer: A) KVM and D) Touch screen

A Keyboard/Video/Mouse switch can send keyboard and mouse input and display video output. A touch screen is an output device that also allows input by touching the display itself.

Want to know more? Watch “An Overview of Input and Output Devices.”

Some devices can be both input and output devices. In this video, you’ll learn about touch screen, KVMs, smart TVs, set-top boxes, and MIDI interfaces.

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Category: CompTIA A+ Pop Quizzes

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