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We have stressed the need for an operating system to make efficient use of the computing hardware. When is it appropriate for the operating system to forsake this principle and to "waste" resources?
Why is such a system not really wasteful?
Single-user systems should maximize use of the system for the user. A GUI may be "waste" CPU cycles, but it optimizes the user's interaction with the system.
List ways to share files among directories in operating systems. a. Copy file from one account into another. b. Link directory entry of "copied" file to directory entry of o
Write a short note on PCB? Every process is represented in the operating system by a process control block also called a task control block. It contains more information regard
address binding at load time
what is hashed page tables & explain of there work & figure
What are the advantages of Contiguous allocation? The advantages are a. Supports direct access b. Supports sequential access c. Number of disk seeks is minimal.
What is contiguous allocation? Allocation of a group of consecutive sectors for a one file.
Q. What is the purpose of system calls? Answer: System calls permit user-level processes to request services of the operating system.
Briefly discuss on real-time scheduling? It is divided into two types. Hard real-time systems are needed to complete a critical task within a guaranteed amount of time. T
What is Demand paging? Virtual memory is commonly executed by demand paging. In demand paging, the pager brings only those essential pages into memory instead of swapping in a
basic advantage of using interrupt initiated data transfer over transfer under program control without an interrupt
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