Operating System (OS)
Under virtual storage,

only the active pages of a program are stored in primary storage
a single program is processed by two or more CPUs
None of these
interprogram interference may occur
two or more programs are stored concurrently in primary storage

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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.
None of these
are variations in the use of fundamental addressing structures, or some associated actions which are related to addressing.
All of these
defines the fundamental method of determining effective operand addresses

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Operating System (OS)
Identify false statement

You can right click and choose Empty Recycle Bin to clean it at once
You can increase free space of disk by sending files in recycle bin
You can find deleted files in recycle bin
You can restore any files in recycle bin if you ever need

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