Operating System (OS)
The ability of an operating system to control the activities of multiple program at the same time is called

Multioperating
Multiprocessing
Multitasking
Multipaging

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

None of these
contains the address of the memory location that is to be read from or stored into.
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.
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".

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Operating System (OS)
All of the following are TRUE regarding virtual memory EXCEPT

Virtual memory is the physical space o the hard drive
Any amount of RAM can be allocated to virtual memory
The setting for the amount of hard disk drive space to allocate virtual memory can be manually change
This temporary storage is called the swap file or page file

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