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Some CPUs provide for more than two modes of operation. What are two possible uses of these multiple modes?
Q. Give an instance of an application in which data in a file should be accessed in the following order: a. Sequentially b. Randomly Answer: a. Print the content of
Additional-reference-bits algorithm We can keep an 8-bit byte for every page in a table in memory. The operating system shifts the reference bits right 1 bit, discarding the lo
why we say" OS is a resource allocator" and “OS is a control program"?
with the aid of diagrams describe the following os structures monolithic , layered, client server
What makes a Just-in-Time inventory system differ from a traditional inventory system?
What are three conditions that a solution for the critical section problem must satisfy? The three conditions are as following:- a) Mutual exclusion :- if a process is
Explain the Exit (status) Function Exit function causes the calling process to be terminated. Actually, all file descriptors are immediately closed but the process is not
Q. What is the use of system calls? Answer: System calls permit user-level processes to request services of the operating system.
Multithreading - Operating systems that permit different parts of a software program to run concurrently. Operating systems that would come into this category are: Linux UNI
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