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Computer Basic Information

Computer Basic Information
In negative logic, the logic state 1 corresponds to

zero voltage
more negative voltage
None of these
lower voltage level
negative voltage

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Computer Basic Information
The pieces of equipment which are attached to the CPU of a computer and which it can access are called

peripherals
disk drive
hardware
control units
output devices

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Computer Basic Information
The computer translates the condition of each switch to a number. What number is represented by the ON state?

1
3.75
22
7

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Computer Basic Information
The unit of hardware an operator uses to monitor computer processing is the:

Console
Card reader
Line printer
CPU
None of these

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Computer Basic Information
The _____ of a system includes the programs or instructions.

None of these
Hardware
Information
Software
Icon

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Computer Basic Information
What does a light pen contain?

Light sensitive elements
Refillable ink
Blue Ink
Pencil lead

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