Operating System (OS)
Interprocess communication

allows processes to synchronize activity
None of these
is usually done via disk drives
is required for all processes
is never necessary,

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Operating System (OS)
Multiprogramming

is a method of allocating processor time.
None of these
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.
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.

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Operating System (OS)
Addressing modes

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

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Operating System (OS)
Object code

is ready to execute
is the output of compilers, but not assemblers
must be "loaded" before execution
None of these
must be rewritten before execution

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