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Define the “turn-around” time of a user job Turn- around time is total time taken to execute the job.
how do you calculate page faults
Logical File System Responsible for providing the before discussed interface to the user including: File access. Directory operations. Security and protection.
explain hierarchical,hashed and inverted paging
what are operating system services
The hardware to support demand paging is as follows Page table: This table has the skill to mark an entry invalid though a valid-invalid bit or particular value of protectio
Binary number based systems Binary is a ' base 2' number system, only two numbers exist namely '0' and '1'. Conversion from binary to base 10 is easy if the number column techn
Define Program preemption The Forced de-allocation of the CPU from a program which is executing on the CPU is known as Program preemption
what is semantics of system call execution?
Virtual file systems The file-system execution having of three major layers. The first layer is the file-system interface, based on the open, read, write and close calls and fi
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