123) The 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 Time Last Used (msec) 900 810 745 845 950 790 610 Referenced Bit 0 1 0 1 1 1 0 A) Page7 and Page6 B) Page7 C) Page6 D) Page3 and Page7 E) Page3 page1 1000-900-100, page3 1000-745-255, page7 1000-610-390

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Properties of different architectures

Software architectures are the blueprint of a software system. They consist of all components involved in a system, relations between various components, the environment of operation, and the principle used in designing the software. In other words, software architecture shows the organization of different software structures and helps understand their behavior.