Operating System (OS)
Process is

a program in execution
contents of main memory
program in High level language kept on disk
a job in secondary memory
None of these

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

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

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