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Computer Basic Information

Computer Basic Information
Which is an electronic device that can store temporarily a single bit of data.

Accumulator
None of these
Latch
Memory
Buffer

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Computer Basic Information
What is the name of the storage device which is used to compensate for the difference in rates of flow of data from once device to another?

Concentrator
Cache
Buffer
I/O device
None of these

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Computer Basic Information
Where would you find the letters QWERTY?

Numeric Keypad
Mouse
Screen
Keyboard

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Computer Basic Information
The terminal device often used in checking charge cards that offers both a limited keyboard input and visual output is the:

Audio response unit
Intelligent terminal
Video display terminal
None of these
POS terminal

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Computer Basic Information
When customers of a Web site are unable to access it due to a bombardment of fake traffic, it is known as:

Cracking
A denial of service attack.
A virus
A Trojan Horse

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Computer Basic Information
Which most popular input device used today for interactive processing & for the on line entry of data for batch processing.

Mouse
Visual display terminal
Card punch
None of these
Magnetic disk

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