COMPUTER HARDWARE COMPONENTS FUNCTIONS
COMPUTER OUTPUT DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Steering wheel/joystick
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Motion sensor
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bar code reader
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OCR
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RFID
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Detailed explanation-1: -A motion sensing input device of a computer system includes a motion sensor and a receiver. The motion sensor has two gyroscopes for sensing motions in different directions when a user operates the motion sensor. The motion signals are wirelessly transmitted to the receiver connected with the computer system.
Detailed explanation-2: -The headset itself is an output device. It’s the sensors and controllers that are input devices.
Detailed explanation-3: -The correct answer is Trackball. A trackball is an input device used to enter motion data into computers or other electronic devices. Trackballs designed for computers usually serve as mouse replacements and are essentially used to move the cursor on the screen.