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

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

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Operating System (OS)
Feed back queue

None of these
require manual intervention to implement properly
dispatch tasks according to execution characteristics
are used to favor real-time tasks
are very easy to implement

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

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

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