Consider a computer with identical interpreters at levels 1, 2, and 3. It takes an interpreter n instructions to fetch, examine, and execute one instruction (interpreter at each level to execute an instruction at that level). A level-1 instruction takes k nanoseconds to execute. How long does it take for an instruction at levels 2 and 3?

instruction execution times at level 2 is kn

instruction execution times at level 2 is kn²

Explanation:

At each level,  a factor of n is lost. It is given that it takes an interpreter n instructions to fetch, examine, and execute one instruction. So if at level-1 an instruction takes k nanoseconds to execute then at level-2 instruction takes kn to execute as at each level we tend to lose a factor of n. At level-3 instruction takes k(n.n) = kn² to execute.

when the first user logs into windows 10 or windows server and identifies their region, windows sets the time zone. the user can change the time zone at any time.

windows updates the time zones in the registry when time zones are available and updates are downloaded.

to get the most current list of time zones, use tzutil from windows:

explanation:

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