Computer Basic Information
Disketts and hard disks are

None of these
Direct access devices
Used only in mainframe computers
Slower than magnetic tape
Sequential access devices

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Computer Basic Information
In the third generation of computers:

high-level procedural languages were first used
on-line, realtime systems first became popular
All of these
an operating system was first developed
distributed data processing first became popular

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Computer Basic Information
The function of CPU is

to communicate with the operator
to read, interpret and process the information and instruction
None of these
to provide a hard copy
to provide external storage of text

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