Operating System (OS)
Which of the following refers to the associative memory?

the data are accessed sequentially
the address of the data is supplied by the users
the address of the data is generated by the CPU
there is no need for an address i.e. the data is used as an address
None of these

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Operating System (OS)
Process is

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

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Operating System (OS)
Addressing structure

None of these
are variations in the use of fundamental addressing structures, or some associated actions which are related to addressing.
All of these
defines the fundamental method of determining effective operand addresses
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)
The Memory Buffer Register (MBR)

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".
is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory.
contains the address of the memory location that is to be read from or stored into.
None of these
is a hardware memory device which denotes the location of the current instruction being executed.

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