Operating System (OS)
Which of the following terms refers to the degree to which data in a database system are accurate and correct?

data validity
data independence
None of these
data security
data integrity

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Operating System (OS)
Which of the following is not true about documentation?

Documentation, of a system, should be as clear and direct as possible
None of these
Documentation gives better understanding of the problem
All of these
Documentation increases the maintenance time and cost

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