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Explain LRU Page replacement algorithm.
LRU policy: It expands to least recently use. This policy proposes that we remove a page that last usage is farthest from present time. For reference string: 1, 2, 3, 4, 1, 2, 5, 1, 2, 3, 4, 5, we have the subsequent page faults:
Instruction 1. You can do this individually or in groups of 2-3 students. 2. Any material copied and pasted from anywhere (e.g., figures and text) is considered plagiarism even
Define the term web service with example. A web service is an application that operate over a network-typically, over the Internet. Most typically, a web service is an API that
Open addressing: The easiest way to resolve a collision is to begin with the hash address and do a sequential search by the table for an empty location. The idea is to place the
Abstract class: Abstract classes are the class where one or more methods are abstract but not essentially all method has to be abstract. Abstract methods are the methods, which are
Explain Concurrent Sharing Here a number of programs that may share a file simultaneously. While this is the case, it is necessary to prevent mutual interference among them. Th
The free subroutine frees a block of memory lastly allocated by the malloc subroutine. Undefined results happen if the Pointer parameter is not a valid pointer. If the Pointer para
OPPORTUNITIES AND THREATS IN COMPUTER FEILD
Consider the state transition diagram of Figure 3.9b . Suppose that it is time for the OS to dispatch a process and that there are processes in both the Ready state and the Ready/S
Simplify the given expressions using Boolean postulates Y = (A + B)(A‾ + C)(B + C) Ans. Y = (A + B)(A‾ + C)(B + C) = (A A‾ + AC + B A‾ + BC) (B + C) = (AC + B A‾ + BC) (B + C)
What is the purpose of guard bits used in floating point operations? The guard bits are the extra bits which are used to retain the in-between steps to enhance the accuracy in
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