Operating System (OS)
To delete a file without allowing it to store in recycle bin

Press Shift + Delete key
Press Delete key
Press Ctrl + Delete key
Press Alt + Delete key

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Operating System (OS)
Link encryption

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

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Operating System (OS)
The Memory Address Register

contains the address of the memory location that is to be read from or stored into.
None of these
contains a copy of the designated memory location specified by the MAR after a "read" or the new contents of the memory prior to a "write".
is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory.
is a hardware memory device which denotes the location of the current instruction being executed.

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Operating System (OS)
Swapping

allows each program in turn to use the memory
None of these
does not work with overlaying
works best with many small partitions
allows many programs to use memory simultaneously

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