Operating System (OS)
Which of the following is true for machine language.

A sequence of instructions which, when followed properly, solves a problem
Repeated execution of program segments
None of these
the language which communicates with the computer using only the binary digits 1 and 0.
Depicting flow of data in a system

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Operating System (OS)
The instruction register

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
is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory.

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