Operating System (OS)
Memory management is :

not used in modern operating system
replaced with virtual memory on current systems
not used on multiprogramming systems
critical for even the simplest operating systems
None of these

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Operating System (OS)
The Storage-to-Storage instructions

which perform indicated operations on two fast registers of the machine and have the result in one of the registers
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, expect in the case of store operation when it is also
All of these
have both their operands in the main store.
None of these

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Operating System (OS)
Page stealing

Should be the turning goal
Is a sign of an efficient system
Is taking layer disk space for page in page out
Is taking page frame from other working sets

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