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Computer Basic Information

Computer Basic Information
The accuracy of the floating point numbers representable in two 16 bit words of a computer is approximately

None of these
6 digits
4 digits
All of these
16 digits

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

Touch tablet
Touch panel
Data tablet
None of these
Mouse

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Computer Basic Information
The light pen was developed in

1942
1992
None of these
1955
1976

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Computer Basic Information
What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time?

Interrupts
Status
Bus control
None of these
Bus arbitration

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Computer Basic Information
Which of the following professions has not been affected by personal computers?

accounting
law
None of these
clerical
medical

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Computer Basic Information
How many addresses are required for 25 x 40 video RAM?

1920
2000
None of these
1000
2000

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