A _______________ is a stationary pointing device. You turn a roller with only its top exposed outside its case to move the cursor on the screen.
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Q134: _ are the most important category of
Q135: A _ is an extremely powerful mainframe
Q136: The _ devices of a computer system
Q137: The central processing unit (CPU) of a
Q138: Computers today operate in the nanosecond range,
Q140: A special type of parallel computing that
Q141: There are two basic types of semiconductor
Q142: The storage capacities in computer systems are
Q143: OCR stands for _.
Q144: A _ drive is a new, innovative
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