Computer Basic Information
Which device uses much less computer time than the light pen and gives resolutions equal to that of the CRT display.

None of these
Data tablet
Touch tablet
Mouse
Touch panel

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Computer Basic Information
The data bus in 8080A/8085 microprocessor is a group of

eight bidirectional lines that are used to transfer 8 bits between the microprocessor and its I/O and memory
eight lines used to transfer data among the registers
sixteen bidirectional lines that are used for data transfer between the microprocessor and memory
None of these
eight unidirectional lines that are used for I/O devices

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