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Explain with the help of examples FIFO algorithms?
FIFO policy: This policy easy removes pages in the order they arrived into the main memory. By using this policy we easily remove a page based upon the time of its arrival into the memory.
For illustration if we contain the reference string: 1, 2, 3, 4, 1, 2, 5, 1, 2, 3, 4, 5 and 3 frames (i.e. 3 pages can be into memory at a time per process) after that we have 9 page faults as demonstrated
If frames are raised say to 4 then no. of page faults also raises, to 10 in this case.
Which approaches do not require knowledge of the system state? Ans. Deadlock detection, deadlock prevention and deadlock avoidance; none of the given require knowledge of the s
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
Explain the Executing Requests Using a Message-Passing Architecture Executing requests using a message-passing architecture requires good fundamental client-server programming
i want to know complete detail of 8086 microprocessor such as memory segment ,interface with ram rom ect
Q. Timing in MPI program? MPI_Wtime ( ) returns lapsed wall clock time in seconds because some random point in past. Elapsed time for program section is given by difference bet
Elements of Parallel Computing and Architecture Parallel computing. Then we shall describe why we need parallel computing and what the heights of parallel processing are. We s
A friend has promised to log in at a particular time. However, he needs to be contacted as soon as he logs in. The shell script checks after every minute whether he has logged in o
what is hashing in database management system?
The commands (instructions) are native instructions to the 68HC11 and therefore it is termed a low level language program. Examining the program the instructions (mnemonics) they a
An operating system contains 3 resource classes. The number of resource units in these classes is 7, 7 and 10. The current resource allocation state is shown below:
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