Operating System (OS)
Addressing modes

performs indicated operations on two fast registers of the machine and leave the result in one of the registers.
None of these
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.

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
Virtual Memory

is a method of allocating processor time.
allows multiple programs to reside in separate areas of core at the time.
consists of those addresses that may be generated by a processor during execution of a computation.
None of these
is a method of memory allocation by which the program is subdivided into equal portions, or pages and core is subdivided into equal portions or blocks.

ANSWER DOWNLOAD EXAMIANS APP