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What is the basic approach of page replacement?
If no frame is free is available, find one that is not currently being used and free it. A frame can be freed by writing its contents to swap space, and changing the page table to show that the page is no longer in memory.
Now the freed frame can be used to hold the page for which the process faulted.
Q. Describe the Errors? Errors Two probabletypes of errors may take place in assembly programs: a. Programming errors: They are familiar errors you may encounter in
Programmable read only memory (PROM) A PROM is a memory chip on which data can be written only one time. Once a program has been written onto a PROM, it's permanent. Unlike RAM
Q. Prove using Boolean Algebra 1. AB + AC + BC' = AC + BC' 2. (A+B+C) (A+B'+C') (A+B+C') (A+B'+C)=A 3. (A+B) (A'+B'+C) + AB = A+B 4. A'C + A'B + AB'C + BC = C + A'B
In RDBMS, what is the efficient data structure used in the internal storage representation? B+ tree. Because in B+ tree, all the data is kept only in leaf nodes, that makes sea
What is the system call available to transmit a signal? System call Kill is used to send a signal to a method or a group of processes. Int kill (pad tepid, Int sig); This
Explain about IP Access. IP access on the network by: • Intranets onto Virtual IP Networks and • Extranets onto Virtual IP Networks.
Observed Speedup Observed speedup of a system which has been parallelized, is defined as: Granularity is one of the easiest and most extensi
An event handler is a part of a computer program formed to tell the program how to act in response to a definite event.
Now consider the following spreadsheet: Formula in cell D2 is = (B2/C2) Replicating this formula (by highlighting then drag down to D7) gives all the formulas needed in cell
Question 1: You want to perform the task of setting an alarm on your mobile phone. You can assume that the alarm option is accessible from the main menu of your phone. (a) P
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