Enumerate the following from 1 to 4, being 1 the fastest to execute and 4 the slowest:
- read cpu register
- disk seek
- context switch
- read from main memory

Question

Enumerate the following from 1 to 4, being 1 the fastest to execute and 4 the slowest:
- read cpu register
- disk seek
- context switch
- read from main memory

anynomious · Accepted Answer

context switch - 3

khushbu · Answer

1 CPU
2 Memory
3 Context switching
4 Disk

fifi · Answer

read cpu register-1
context switch-2
read from main memory-3
disk seek-4

Anonymous · Answer

context switching is costlier than RAM access. I think we all have read this in those operating system lectures.

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