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Explain FIFO Page replacement algorithm.
FIFO policy: This policy only removes pages in the order they entered in the main memory. By using this policy we simply eliminate a page based upon the time of its arrival in the memory. For illustration if we have the reference string: 1, 2, 3, 4, 1, 2, 5, 1, 2, 3, 4, 5 and 3 frames here 3 pages can be in memory at a time per process, after that we have 9 page faults as demonstrated:
If frames are increased say to 4, after that number of page faults also arises, to 10 in this case.
Illustrate the elements of Information Super Highway Infrastructure. The Information Superhighway is more than the Internet. This is a series of elements, including the collect
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Define the Unified Modelling Language (UML) is used to express construct and relationships of complex systems. This was created in response to a request for proposal (RFP) fro
Q. Explain Processing of an Interrupt? The interrupt is processed as: Step 1: Number field in INT instruction is multiplied by 4 to get its entry in interrupt vector table.
Q. LIFO under perpetual inventory procedure? LIFO under perpetual inventory procedure observes Exhibit to see the LIFO method using perpetual inventory procedure. In this proce
Balance The balance of an image can be thought of as the distribution of visual weight within the piece. A piece of art can be structured so that the elements create a sense of
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Give difference between compiler and interpreter. Compiler: It is a translator for machine independent HLL as FORTRAN and COBOL etc. Interpreter: It analysis the source
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In order to calculate the performance of the program, the normal form of analysis of the program is to simply measure the total amount of CPU time needed to implement the various p
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