Operating System (OS)
Whenever you move a directory from one location to another

Both A and B
All the subdirectory inside that directory are moved
The directory is moved the source file is not moved
All files inside the directory are moved

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Operating System (OS)
You should choose sleep option when

You are leaving for a very short time and want to resume you work shortly
You finish working and going to bed
The computer is tired after working for the whole day
When computer gets hanged frequently. Let it sleep for some time

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Operating System (OS)
The CPU, after receiving an interrupt from an I/O device

branches off to the interrupt service routine immediately
halts for a predetermined time
hands over control of address bus and data bus to the interrupting device
branches off to the interrupt service routine after completion of the current instruction
None of these

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