Operating System (OS)
Which of the following systems software does the job of merging the records from two files into one?

Utility program
Security software
Networking software
Documentation system
None of these

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

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

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Operating System (OS)
A page fault

is a reference to a page belonging to another program
is an access to a page not currently in memory
is an error is a specific page
None of these
occurs when a program accesses a page of memory

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