What shall be the average waiting time per process if we know that 10…
2025
What shall be the average waiting time per process if we know that 10 processes (on average) arrive every second and there are normally 20 processes in the queue?
- A.
03 seconds
- B.
02 seconds
- C.
18 seconds
- D.
09 seconds
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Correct answer: B
Little's Law: average number in queue = arrival rate × average waiting time.
Average number in queue (L) = 20 processes.
Arrival rate (λ) = 10 processes per second.
Average waiting time (W) = L / λ = 20 / 10 = 2 seconds.
Therefore, the average waiting time per process is 2 seconds.
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