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what is file abstraction?
Define seek time and latency time. The time taken by the head to move to the appropriate cylinder or track is known as seek time. Once the head is at right track, it must wait
what are conditions
What is the purpose of system calls? System calls permit user-level processes to request services of the operating system.
Additional-reference-bits algorithm We can keep an 8-bit byte for every page in a table in memory. The operating system shifts the reference bits right 1 bit, discarding the lo
Determine the reasons for Poor response time Process busy or High I/O rates or High paging rates
Consider the following C program where M, N, K are predefined constants. Assume int is 4 bytes. Suppose this program is run on a machine with 4KB page size and 32 TLB entries. Init
Did Abhinav agree to the initial timeline requested by Rebecca
. A paper mill produces two grades of paper viz., X and Y. Because of raw material restrictions, it cannot produce more than 400 tons of grade X paper and 300 tons of grade Y paper
System Service Program system service program Supports and provides the services for other program. System service program perform Varity of tasks. They are further divided in
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