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Write a short note on disk scheduling
One of the responsibities of operating system O/S is to use the hardware efficiently. Whenever a process requires I/O to or from the disc it issues a system call to the operating system. The request state severer pieces of information:
If the disk controller and drive are available the request can be serviced immediately. If the controller or drive is busy any new request for service will be placed on the queue of pending request for that drive. For a multiprogramming system with several processes the disk queue may often have several pending requests. Therefore when request is accomplish the operating system chooses which pending request to service next.
what is deadlock
Define an assembly language Assembly language stands for a Low level programming language
when demand is 24000 units/year, production rate is 48000 units/year, setup cost is rs 200 per setup, carring cost is rs 20 per units/year, and economic batch quantity is 692.8203
Minor page fault :I f the page is loaded in memory at the time the fault is started, but is not checked in the memory management unit as being loaded in memory, then it is named a
What are the advantages of Linked allocation? The benefits are a. No external fragmentation b. Size of the file does not require to be declared
how to solve queing theory step by step
Question: (a) Explain the similarities and differences between two different threads running in the same process and two independent processes. When would you want to use two t
Acyclic-graph directories An acyclic graph permits directories to have shared subdirectories and files. The similar file or subdirectory may be in two dissimilar directories. A
What is a Process Control Block? Every process in the operating system is represented by a process control block as well called a task control block. It contains several pieces
what is network operating? explain about it design issues?
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