Compiler-Design
October 7, 2023Digital-Logic-Design
October 7, 2023Operating-Systems
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Question 49
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The overlay tree for a program is as shown below:
What will be the size of the partition (in physical memory) required to load (and run) this program?
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12 KB
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14 KB
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10 KB
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8 KB
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Question 49 Explanation:
To enable a process which is larger than the amount of memory allocated to it, we can use overlays. The idea of overlays is to heap only those instructions and data that are needed at any given time. When some instructions are needed, they are loaded into space occupied previously by instructions that are no longer needed.
For the above program, maximum memory will be required when running code portion present at leaves.
Maximum requirement
= MAX(12, 14, 10, 14)
= 14
For the above program, maximum memory will be required when running code portion present at leaves.
Maximum requirement
= MAX(12, 14, 10, 14)
= 14
Correct Answer: B
Question 49 Explanation:
To enable a process which is larger than the amount of memory allocated to it, we can use overlays. The idea of overlays is to heap only those instructions and data that are needed at any given time. When some instructions are needed, they are loaded into space occupied previously by instructions that are no longer needed.
For the above program, maximum memory will be required when running code portion present at leaves.
Maximum requirement
= MAX(12, 14, 10, 14)
= 14
For the above program, maximum memory will be required when running code portion present at leaves.
Maximum requirement
= MAX(12, 14, 10, 14)
= 14
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