Computer Basic Information
When was the world's first laptop computer introduced in the market and by whom?

Epson, 1981
Hewlett-Packard, 1980
None of these
Laplink Travelling Software Inc, 1982.
Tandy Model-200, 1985

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

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

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