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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.
It is fast because it has got separate program and data memory(highly pipelined architecture)
Conclusion - artificial intelligence : If we can determine what the exactly state of the world will be after an agent's action, so we can say the environment is deterministic.
Define device interface. The buffer registers DATAIN and DATAOUT and the status flags SIN and SOUT are part of circuitry commonly called as a device interface.
RDBMS relational database system - Relational databases are composed of relations and managed through relational operations, and governed through data integrity constraints.
Differentiate between static and dynamic step loops. Step loops fall into two classes: Static and Dynamic. Static step loops have a fixed size that cannot be changed at runti
How will you prepare problem statement? Problem statement should state what is to be completed and not how it is to be executed. It should be a statement of requirements not a
What is a screen group? How it is useful? Screen group is a field in the Screen Attributes of a screen. Here we can explain a string of up to four characters which is availa
Q. Explain the properties of Hypercube? Properties of Hypercube: Hypercube is both edge and node symmetric. The labels of any two neighbouring nodes vary in exactl
Given a RAID 5 (block-level distributed parity) with k disks, how well will large block trnsmitted work? How well will it handle a high I/O request rate? Evaluate the performance t
What is logical address space and physical address space? The set of all logical addresses generated by a program is known as a logical address space; the set of all physical a
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