Computer Basic Information
A notation for defining the form and structure of data is known as

None of these
Data description language
Data channel
Binary language
Data definition language

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Computer Basic Information
Which of the following is not an advantage of magnetic disk storage?

The access time of magnetic disk is much less than that of magnetic tape
All of these
None of these
Disk storage is less expensive than tape storage
Disk storage is longer lasting than magnetic tape

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