Operating System (OS)
To properly exit windows

Click the stop button on the desktop
Clike the exit button on the desktop
None of the listed here
Select shut down from Start menu

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

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
have both their operands in the main store.

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Operating System (OS)
Which of the following functions is(are) performed by the loader

physically place the machine instructions and data into memory.
None of these
allocate space in memory for the programs and resolve symbolic references between object decks
All of these
adjust all address dependent locations, such as address constants, to correspond to the allocated space.

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