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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.
How to select valid lines for secondary list? To stop the user from selecting invalid lines, ABAP/4 offers various possibilities. At the end of the processing block END-OF-SEL
What is an imperative statement? Ans. Shows an action to be performed throughout execution of assembled program is an imperative statement.
Q. Illustrate Organisation of DRAM Chip? The given figure is a typical organisation of 16 mega bit DRAM. It displays a typical organisation of 2048 × 2048 × 4 bit DRAM chip. Me
Q. Illustrate basic working of Physical layer? Physical layer: Physical layer is concerned with sending raw bits between source and destination nodes over a physical medium.
Q. Show the Transmission Control Protocol? Transmission Control Protocol (TCP) TCP makes Internet reliable. TCP solves many problems which can occur in a packet switching
What is a path name? A pathname is the path from the root by all subdirectories to a specified file. In a two-level directory structure a user name and a file name describe a
Sequential Logic Gates SR flip flop 1)
We also need to know, given a cell, which of its neighbours has all of its walls intact. Write the function wallsintact that accepts the grid and a list of neighbouring cells and r
contributes to violence in our society. Others point out that television contributes to the high level of obesity among children. Now, we may have to add financial problems to the
Explain briefly, why dynamic RAMs require refreshing? Ans: Due to the charge's natural tendency to distribute itself in a lower energy-state configuration that is, the charg
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