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

Networking software
Documentation system
None of these
Utility program
Security software

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Operating System (OS)
A public key encryption system

allows anyone to decode the transmission
does not encode the data before transmitting it
allows only the correct sender to decode the data
None of these
allows only the correct receiver to decode the data

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