Q5 (a) Figure Q5 shows jobs allocation in a main memory by using Best-Fit Allocation Scheme. Job No. Status Job No Job Size Status Memory Requested 15K Memory Block No. Block 1 Memory Block Size 300K Total Waste Job 1 Allocated at Block 4 Job 4 200K Busy 100 Job 2 50K Allocated at Block 3 Block 2 250K Free Job 3 350K wait Block 3 50K Job 2 SOK Busy 0 Job 4 200K Allocated at Block 1 Block 4 2 OK Job 1 15K Busy 5 Job 5 110K Allocated at Block 5 Block 5 115K Job 5 110K Busy 5 FIGURE Q5 Draw and label the positions of external and internal fragmentations. (4 marks) 4 CONFIDENTIAL