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Q. Some untimely computers protected the operating system by placing it in a memory partition that couldn't be modified by either the user job or the operating system itself. Explain two difficulties that you think could arise with such a scheme.
Answer: The data necessary by the operating system (access controls, passwords, accounting information, and so on) would have to be stored in or passed through unprotected memory and thus be accessible to unauthorized users.
five major activities on file management in operating system.? Explain it.?
Define the “turn-around” time of a user job Turn- around time is total time taken to execute the job.
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When the Page fault frequency in an operating system is reduced Locality of reference is appropriate to the process
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using the transformation process model and system thinking concepts explain the key operation of TGL works.
A practical task specified in the Study Guide, Computer architecture, was to record your computer's specifications. Submit the data you recorded, which will contain the following d
what is system performence?
FCFS (First Come, First Served) Perform operations in order requested No reordering of work queue No starvation every demand is serviced Poor performance
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