Basic Technology > 2021 PAPER II > 58
BECE/Junior WAEC
Which of the following signs indicates that a computer system has not been infected by virus?
A.
Disks and disk drives are accessible
B.
it restarts on its own and fails to run normally
C.
it runs slowly
D.
it switches itself off and restart every few minutes
E.
Unusual error message pops out
Answer: A
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