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Computer Basic Information

Computer Basic Information
What is the shortcut key to "Undo" the last action in a document?

Ctrl + Z
None of these
Ctrl + X
Ctrl + U
Ctrl + Y

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Computer Basic Information
The minimum time delay required between the initiation of two successive memory operations is known as

None of these
transmission time
memory cycle time
waiting time
memory access time

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

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

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Computer Basic Information
The heart of any computer is the

CPU
Disks
I/O Unit
Memory
None of these

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Computer Basic Information
Which of the following input/output devices is not associated with personal computers?

punched cards
dot-matrix printers
mice
color monitors
optical scanners

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Computer Basic Information
In which area of the primary storage section are the intermediate processing results held temporarily?

Output storage area
Working storage space
Program storage area
None of these
Input storage area

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