Operating System (OS)
Fork is

the creation of a new job
increasing the priority of a task
the creation of a new process
the dispatching of a task
None of these

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Operating System (OS)
Multiprogramming

None of these
is a method of allocating processor time.
allows multiple programs to reside in separate areas of core at the time.
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.
consists of those addresses that may be generated by a processor during execution of a computation.

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Operating System (OS)
The Register - to - Register (RR) instructions

All of these
which perform indicated operations on two fast registers of the machine and leave the result in one of the registers.
have both their operands in the main store.
which perform an operation on a register operand and an operand which is located in the main store, generally leaving the result in the register, except in the case of store operation when it is also
None of these

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Operating System (OS)
Thrashing

can always be avoided by swapping
None of these
always occurs on large computers
can be caused by poor paging algorithms
is a natural consequence of virtual memory systems

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