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Computer Basic Information

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

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

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Computer Basic Information
Computers are extremely fast and have fantastic memories. However, the only thing they can remember is

Instruction
Boolean algebra
Logic theorems
Series of 1s and 0s
None of these

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Computer Basic Information
In a computer system, which device is functionally opposite of a Key-board?

None of these
Trackball
Joystick
Printer
Mouse

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Computer Basic Information
Which network protocol is used to send Email?

SSH
SMTP
POP3
FTP
None of these

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Computer Basic Information
Which of the following is used as storage locations both in the ALU and the control section of a computer?

None of these
adder
decoder
accumulator
register

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Computer Basic Information
Which of the following printer can be classified as a page-at-a-time printer?

Laser printer
Inkjet printer
Dot-matrix printer
Thermal printer
None of these

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