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What is Belady's anomaly
When plotting on a graph the page faults versus the number of available frames. We notice that the number of faults for four frames is greater than the number of faults for three frames. This most unexpected result is known as Belady's anomaly.
Describe Three major roles of operating systems in business computer systems
how to differentiate scheduling algorithms?
Problem: Within a corporate environment, there are usually many servers located across various departments. Naming of servers is often a tedious task. In many circumstances, w
What is named pipes?
What is critical section? Every process has a segment code called the critical section, in which the process may be updating tables, changing variables, writing file and etc. W
What are the objectives for a file management system? To meet the data management wants and requirements of the user, which embrace storage of data and the ability to
Write a Perl script assignGrades.pl to assign letter grades to the students.
explain how response time are reduced by allowing time sharing on top of multiprogramming
Debugging a multi threaded program The following list points out few of the more frequent oversights and errors that can cause bugs in multithreaded programs. 1. Ephemeral
What is the use of fork and exec system calls? Fork is a system call by which a latest process is created. Exec is also a system call, which is used after a fork by one of the
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