If we want to avoid rekeying printed text when in order to input it, what kind of device should we u
A.A keyboard B.A printer
C.A scanner D.An OCR software
A.A keyboard B.A printer
C.A scanner D.An OCR software
A、overseas
B、opposite
C、prosperous
D、contemporary
A、Setting
B、characterization
C、plot
D、themes
A.they are close together
B.they are far away from each other
C.coaxial cables are used
D.fiber optical is used
A.Mainframes. B.Networks.
C.Microcomputers. D.Communications satellites.
A.to divide the cost of the equipment among them
B.to utilize the equipment to the maximum extent
C.to produce fewer PCs
D.both A and B
A.The service sector of the United States economy.
B.The manufacture of bookkeeping and billing machines.
C.Heavy volume data processing requirements.
D.Typewriters, calculators, and manual accounting techniques.
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