Operating System (OS)
The problem of thrashing is affected significantly by:

program size
All of these
primary-storage size
None of these
program structure

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Operating System (OS)
Data encryption

cannot be used by private installations
is mostly used by financial networks
None of these
is not necessary, since data cannot be intercepted
is mostly used by public networks

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Operating System (OS)
Fork is

None of these
the creation of a new job
increasing the priority of a task
the creation of a new process
the dispatching of a task

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Operating System (OS)
Process is

a job in secondary memory
None of these
program in High level language kept on disk
a program in execution
contents of main memory

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