15. The following table shows the page numbers, time of last used and reference bits of pages when current virtual time is 1000 msec. If age limit T-250 msec, which page/pages would be excluded from the working set according working set page replacement algorithm? Page Number Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 A) Page7 and Page6 B) Page6 C) Page3 D) Page5 E) Page3 and Page5 Time Last Used (msec) 900 632 740 925 550 790 590 Referenced Bit 1 1 0 1 0 0 1

Process or set of rules that allow for the solving of specific, well-defined computational problems through a specific series of commands. This topic is fundamental in computer science, especially with regard to artificial intelligence, databases, graphics, networking, operating systems, and security.