题目内容
This reading device is used in banks to read the numbers on the bottom of checks and deposit slips.
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Which of the following types of character recognition systems is used for standardized multiple-choice testing?
OMR, OCR, and MICR are all types of _______.
_______-input devices convert sounds into a form that can be processed by the system unit.
The most widely used audio-input device is the _______.
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