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What is contiguous allocation?
Allocation of a group of consecutive sectors for a one file.
Define the Jobs which are admitted to the system for processing is called The Jobs which are admitted to the system for processing is known as long-term scheduling.
Several schemes available are as follows: Pipes : One-way communication process through which different process can interact. The problem is that the two processes could have
What are the operations of processes? Process creation A process may create several new processes. The creating process is called as parent process, where as the new proce
Q. Advantages and disadvantages of multiprogramming? Advantages 1. High CPU utilization. 2. It appears that many programs are allotted CPU almost concurrently. D
Explain the different sections of a process. Entry section Critical section Exit section Remainder section Consider a system inclusive of n processe
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LRU approximation page replacement In this we are able to use the reference bit associated with the page entry to choose a page to be removed. The various algorithms used for
Explain what ISAM is. Indexed sequential access method. The file is stored in sorted order. ISAM has a master index file, indicating in what part of another index file the key
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
Q. We have an OS (operating system) for a machine that uses base and limit registers however we have modified the machine to provide a page table. Can the page tables be set up to
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