Computer Basic Information
Which of the following is not true of a magnetic disk?

Users can easily update records by writing over the old data
It is expensive relative to magnetic tape
All of these
It provides only sequential access to stored data
It does not provide an automatic audit trail

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Computer Basic Information
An AND gate

is an any-or all gate
None of these
is equivalent to a series switching circuit
implements logic addition
is equivalent to a parallel switching circuit

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