Operating System (OS)
What is the name of the operating system that reads and reacts in terms of actual time.

Real time system
Batch system
Time sharing system
Quick response system
None of these

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Operating System (OS)
The instruction register

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.
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.
None of these

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Operating System (OS)
The function(s) of the Storage Assignment is (are)

All of these
to assign storage to all temporary locations that are necessary for intermediate results.
to assign storage to all variables referenced in the source program.
None of these
to assign storage to literals, and to ensure that the storage is allocate and appropriate locations are initialized.

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