Computer Basic Information
The magnetic disks and drums are like recirculating shift registers because

their access times are about the same
their storage is non volatile
stored data is available for reading over and over again in the same order.
None of these
they have about the same storage capacity

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Computer Basic Information
Why is the width of the data bus so important to the processing speed of a computer?

The narrower it is, the greater the computer's processing speed
The wider it is, the slower the computer's processing speed
The wider it is, the greater the computer's processing speed
The wider it is, the more data that can fit into main memory
The data bus isn't important to the processing speed of a computer

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