Operating System (OS)
What is the name given to the values that are automatically provided by software to reduce keystrokes and improve a computer user's productivity?

Default values
Defined values
Fixed values
Special values
None of these

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

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".
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.
None of these

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