Computer Basic Information
Which of the following storage and retrieval methods would be well suited to your processing requirements if you only need to retrieve records one at a time and there is no fixed pattern to the requests for data and records?

indexed sectors
indexed direct
sequential
direct
None of these

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Computer Basic Information
Which of the following would most likely NOT be a symptom of a virus ?

None of these
Odd messages or images are displayed on the screen.
THe Web browser opens to an unusual home page.
The CD-ROM stops functioning.
Existing program files and icons disappear.

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Computer Basic Information
Which of the following is not an advantage of magnetic disk storage?

All of these
Disk storage is less expensive than tape storage
None of these
Disk storage is longer lasting than magnetic tape
The access time of magnetic disk is much less than that of magnetic tape

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