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510. The LRU algorithm

pages out pages that have been used recently
pages out pages that have not been used recently
pages out pages that have been least used recently
pages out the first page in a given area
✅ The correct answer is option C.

516. The CPU, after receiving an interrupt from an I/O device

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 immediately
branches off to the interrupt service routine after completion of the current instruction
✅ The correct answer is option D.

480. Booting means

Restarting computer
Installing program
Removing errors
Switch off
✅ The correct answer is option A.
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