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Computer Basic Information

Computer Basic Information
A data item which is not broken down into smaller units is _____

Database management
Data element
Elementary data item
None of these
Data entry

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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:

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

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Computer Basic Information
When a disk stack is serviced by a comb-like access mechanism, there is one read/write head for each

track
disk surface
disk
None of these
cylinder

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Computer Basic Information
The operating system does all of the following except-

Manage memory and storage.
Manage the central processing unit (CPU).
Enable users to perform a specific task as document editing.
Provide a way for the user to interact with the computer.

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Computer Basic Information
Most disk drives have a single read/ write head for each disk surface. What is the advantage of suing multiple heads on each movable access arm?

Less disk speed
None of these
Reduced search time
Less latency time
Reduced seek time

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Computer Basic Information
What technology is used for flat panel displays?

Solid state
VLSI
Direct view storage tube
RBG monitor
None of these

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