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

the address of the data is supplied by the users
None of these
the data are accessed sequentially
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

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Operating System (OS)
Process is

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

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Operating System (OS)
Addressing structure

All of these
defines the fundamental method of determining effective operand addresses
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.
None of these

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

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.
None of these
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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