Operating System (OS)
The function(s) of the Storage Assignment is (are)

All of these
None of these
to assign storage to all temporary locations that are necessary for intermediate results.
to assign storage to literals, and to ensure that the storage is allocate and appropriate locations are initialized.
to assign storage to all variables referenced in the source program.

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Operating System (OS)
A critical region is

a program segment that often causes unexpected system crashes
none is the above
one which is enclosed by a pair of P and V operations on semaphores
a program segment where shared resources are accessed
a program segment that has not been proved bug-free

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

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
All of these
which perform 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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