Operating System (OS)
A page fault

None of these
is an error is a specific page
is a reference to a page belonging to another program
is an access to a page not currently in memory
occurs when a program accesses a page of memory

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

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

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Operating System (OS)
Memory management is :

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

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