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
None of these
branches off to the interrupt service routine after completion of the current instruction

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Operating System (OS)
Which of the following is not true about documentation?

None of these
Documentation, of a system, should be as clear and direct as possible
Documentation increases the maintenance time and cost
All of these
Documentation gives better understanding of the problem

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