Operating System
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1. Suppose a time-sharing operating system allocated time slices of 20 milliseconds and the machine executed an average of 5000 instructions per microsecond. How many instructions could be executed in a single time slice?
2. Suppose a password consisted of a string of nine characters from the English alphabet (26 characters). If each possible password could be tested in a microsecond, how long would it take to test all possible passwords?
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Solution Summary
Number of instructions executed in a single time is calculated if a time-sharing operating system allocated time slices of 20 milliseconds and the machine executed an average of 5000 instructions per microsecond.
Time estimate is given for testing all possible passwords if a password consisted of a string of nine characters from the English alphabet (26 characters) and if each possible password could be tested in a microsecond.
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1. 5000 instructions per microsecond = 5000,000 instructions per millisecond
So per a single time slice = ...
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