Operating System (OS)
Operating system is

A collection of input-output devices
All of these
A collection of hardware components
None of these
A collection of software routines

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Operating System (OS)
Link encryption

None of these
is more secure than end-to-end encryption
can not be used in a public network
is used only to debug
is less secure than end-to-end encryption

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Operating System (OS)
What hole will allocates in "Worst-Fit" algorithm of memory management?

It allocates the largest hole from the available memory holes
It allocates the exact same size memory hole
It allocates the smallest hole from the available memory holes
It allocates the smaller hole than required memory hole

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