Computer Basic Information
The number of records contained within a block of data on magnetic tape is defined by the

blocking factor
None of these
record contain clause
block definition
record per block factor

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

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

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