Computer Basic Information
A technique used by codes to convert an analog signal into a digital bit stream is known as

Pulse code modulation
None of these
Pulse stretcher
Queue management
Query processing

ANSWER DOWNLOAD EXAMIANS APP

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 does not provide an automatic audit trail
It provides only sequential access to stored data
It is expensive relative to magnetic tape
All of these

ANSWER DOWNLOAD EXAMIANS APP