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

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

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Operating System (OS)
Process is

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

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Operating System (OS)
Addressing structure

defines the fundamental method of determining effective operand addresses
All of these
are variations in the use of fundamental addressing structures, or some associated actions which are related to addressing.
None of these
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 the address of the memory location that is to be read from or stored into.
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".
None of these

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