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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 copy on write on pages when many process works at a same time?
How can deadlocks be represented? Deadlocks are able to be described in terms of a directed graph called as a system resource-allocation graph. This graph contains of the foll
Some CPUs provide for more than two modes of operation. What are two possible uses of these multiple modes?
explain about oprating system services and topics briefly
Q. Consider a system in which a program is able to be separated into two parts: code and data. The CPU recognizes whether it wants an instruction (instruction fetch) or data (data
What is preallocation? Why do it? Allocating space for a file before making the file to allow for expansion. This reserves space for a certain file so that other files can't gr
What are the use of job queues, ready queues and device queues? As a process enters a system they are put in to a job queue. These queues having of all jobs in the system. The
Describe swapping technique in UNIX systems. Swapping is used to control memory contention among processes. If there is excessively much memory contention, processes are swappe
What is single and multithreading and thread pool?
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