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Q. Name two differences between logical and physical addresses?
Answer: A logical address doesn't refer to an actual existing address rather it refers to an abstract address in an abstract address space. Contrast this by a physical address that refers to an actual physical address in memory. A logical address is produce by the CPU and is translated into a physical address by the memory management unit (MMU). Consequently physical addresses are generated by the MMU.
explain how indefinite blocking or starvation occurs..
How File record length should be chosen File record length should be selected to match the data characteristics
Q. How does DMA raise system concurrency? How does it make difficult hardware design? Answer: DMA increases system concurrency by allowing the CPU to perform tasks while the
In a multiprogramming and time sharing environment several users share the system simultaneously .what are two such problems?
explain hierarchical,hashed and inverted paging
What is dispatch latency? The time taken by the dispatcher to stop one process and begin another running is known as dispatch latency.
Paging full question
breifly write a note on about evolution of operating system?
Q. Presume that the following processes arrive for execution at the times indicated. Every process will run the listed amount of time. In responding the questions use non pre-empti
Q. We have stressed the require for an operating system to make efficient use of the computing hardware. When is it suitable for the operating system to forsake this principle and
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