Operating System (OS)
The details of all external symbols and relocation formation (relocation list or map) is provided to linker by

Editor
None of these
Loader
Macro processor
Translator

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Operating System (OS)
Addressing structure

defines the fundamental method of determining effective operand addresses
None of these
All of these
are variations in the use of fundamental addressing structures, or some associated actions which are related to addressing.
performs indicated operations on two fast registers of the machine and leave the result in one of the registers.

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Operating System (OS)
Process is

None of these
program in High level language kept on disk
contents of main memory
a program in execution
a job in secondary memory

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

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