At exactly noon on a particular day, 100 people at 100 different ATM terminals attempt to withdraw cash from their bank accounts at the same bank. Suppose their transactions are run sequentially and each transaction takes .25 seconds of compute and I/O time. Estimate howlong it takes to execute all 100 transactions and what the average response time is for all 100 customers.
What will be an ideal response?
The average response time
= (0.25 + 0.50 + 0.75 + ... + 25.00)/100
= 12.825 (seconds)
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