Bab 4

[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],Address binding of instructions and data to memory addresses can happen at three different stages.

[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],OS process 5 process 8 process 2 OS process 5 process 2 OS process 5 process 2 OS process 5 process 9 process 2 process 9 process 10 P8 terminates Allocate P9 Allocate P10

Job Queue Process P1 600K P2 1000K P3 300K P4 700K P5 500K size 2560K Operating System 0 400K 2160K

[object Object],[object Object],[object Object],How to satisfy a request of size n from a list of free holes. First-fit and best-fit better than worst-fit in terms of speed and storage utilization.

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Before allocation After allocation

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

1 3 2 4 user space physical memory space 1 4 2 3

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Bab 4

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