COMPUTER PERIPHERALS
DIGITAL CAMERAS AND CAMCORDERS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Made up of a matrix of filled-in dark squares on a light background
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Barcode
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QR-code
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CT-scan
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Pixels
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Explanation:
Detailed explanation-1: -QR code is made up of a matrix filled-in dark squares on a light background. This can hold over 7000 digits while normal barcodes can hold up to 30 digits. So this gives greater scope for the storage of information.
Detailed explanation-2: -A pointing device is any human interface device that allows a user to input spatial data to a computer.
Detailed explanation-3: -Resolution is the number of horizontal and vertical pixels in a display device; a higher resolution uses a greater number of pixels and provides a sharper image.
There is 1 question to complete.