There are 9 workers for ASH Development Sdn. Bhd. as shown in Table 24. Unfortunately, there...

  

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There are 9 workers for ASH Development Sdn. Bhd. as shown in Table 24. Unfortunately, there are only 4 rooms available for these workers. Every week, a worker name is randomly selected to do odd jobs for the company. When a worker has been selected randomly, a room needs to be vacated if these rooms are full. Based on Figure Q4, worker's ID number 0 (Umar) is randomly selected for the first week, and the 4 boxes represent 4 rooms for workers. WI D R1 R2 RRRR انا R3 R4 O 35 W W W W N 2 13 M 2 4 6 2 0 9 5 2 1 2 3 4 310 1360 W W Worker's ID 0 1 2 3 4 5 6 сл 7 8 9 300 W 5 6 7 8 W 3 W 9 Table Q4 6 8 W1 0 Worker's Name 1 Umar Lukman Arif Yusuf Anas Muadz Aleef Hafiz Amir Taufik W1 1 Figure Q4 7 W1 2 1 W1 3 7 W1 4 4 W1 5 1 3 8 7 W1 W1 6 7 W1 W1 8 9 Investigate the number of page faults occur by illustrating the way how the room is managed using the list of weekly random selection of workers as shown in Figure Q4 using the following algorithms: (a) Optimal Page Replacement (OPR) replacement algorithm (b) Least Recently Used (LRU) replacement algorithm (5 marks) (5 marks) There are 9 workers for ASH Development Sdn. Bhd. as shown in Table 24. Unfortunately, there are only 4 rooms available for these workers. Every week, a worker name is randomly selected to do odd jobs for the company. When a worker has been selected randomly, a room needs to be vacated if these rooms are full. Based on Figure Q4, worker's ID number 0 (Umar) is randomly selected for the first week, and the 4 boxes represent 4 rooms for workers. WI D R1 R2 RRRR انا R3 R4 O 35 W W W W N 2 13 M 2 4 6 2 0 9 5 2 1 2 3 4 310 1360 W W Worker's ID 0 1 2 3 4 5 6 сл 7 8 9 300 W 5 6 7 8 W 3 W 9 Table Q4 6 8 W1 0 Worker's Name 1 Umar Lukman Arif Yusuf Anas Muadz Aleef Hafiz Amir Taufik W1 1 Figure Q4 7 W1 2 1 W1 3 7 W1 4 4 W1 5 1 3 8 7 W1 W1 6 7 W1 W1 8 9 Investigate the number of page faults occur by illustrating the way how the room is managed using the list of weekly random selection of workers as shown in Figure Q4 using the following algorithms: (a) Optimal Page Replacement (OPR) replacement algorithm (b) Least Recently Used (LRU) replacement algorithm (5 marks) (5 marks)

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