Operating System (OS)
Which of the following is used to display the content of a certain drive or folder?

Triple click the drive or folder
Right click the drive or folder
Double click the drive or folder
Click the drive or folder while holding down the Alt key

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Operating System (OS)
The Memory Buffer Register (MBR)

is a hardware memory device which denotes the location of the current instruction being executed.
is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory.
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".
contains the address of the memory location that is to be read from or stored into.

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Operating System (OS)
Which of the following statement is true.

None of these
The LRU algorithm pages out pages that have been used recently
Thrashing is a natural consequence of virtual memory systems.
Seek analysis is used for analysing control-unit busy problems.
All of these

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