Operating System Programming and Technical

Q. What is Throughput, Turnaround time, waiting time and Response time?

A. Throughput - number of processes that complete their execution per time unit Turnaround time - amount of time to execute a particular process Waiting time - amount of time a process has been waiting in the ready queue Response time - amount of time it takes from when a request was submitted until the first response is produced, not output (for time-sharing environment)

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Operating System Other Question
Q. Differentiate between Complier and Interpreter?

A. An interpreter reads one instruction at a time and carries out the actions implied by that instruction. It does not perform any translation. But a compiler translates the entire instructions Q. What is Memory-Management Unit (MMU)?

A. Hardware device that maps virtual to physical address. In MMU scheme, the value in the relocation register is added to every address generated by a user process at the time it is sent to memory. ->The user program deals with logical addresses; it never sees the real physical addresses