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Computer Basic Information

Computer Basic Information
Which is considered a direct entry input device?

Optical scanner
Digitizer
Light pen
All of these
Mouse

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Computer Basic Information
An identifying label on the first record of magnetic tape is

Optical mark reader
Tape label
Punched paper tape
Joystick
None of these

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Computer Basic Information
In case of MS-EXCEL, If you begin typing an entry into a cell and then realize that you don't want your entry placed into that cell, you:

Press Esc
None of these
Press the Erase key
Press the Enter button
Press the Edit formula button

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Computer Basic Information
Which of the following is used to make a programs run when the computer is switched on.

Autoboot
Warmboot
Bubble
Authentication
None of these

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Computer Basic Information
Which memory system is not as a mass memory medium?

magnetic tape
None of these
semiconductor memory
magnetic disk
magnetic drum

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Computer Basic Information
The working principles of today's computers were provided by an English mathematician

Dr. Hollerith
Donald Reach
Ken Reider
Charles Babbage
None of these

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