Question

In: Computer Science

Assume there is a 30-byte heap. The free list for this heap has two elements on...

Assume there is a 30-byte heap. The free list for this heap has two elements on it. One entry describes the first 10-byte free segment (bytes 0-9), and one entry describes the other free segment (bytes 20-29).

Now assume we have a request for just a single byte of memory. In this case, the allocator will perform an action known as __________ to find a free chunk of memory that can satisfy the request.

		splitting
		coalescing
		chopping
		relocating

Refer to the previous question.

After the action is completed, how many elements are there on the free list?

		3
		4
		2
		1

__________ is a strategy for managing free space which results in the smallest leftover hole in memory.

		Best fit
		Next fit
		First fit
		Worst fit

__________ is a strategy for managing free space which results in the largest leftover hole in memory.

		Next fit
		Best fit
		Worst fit
		First fit

Expert Solution

Please find the answer filled indash:

Assume there is a 30-byte heap. The free list for this heap has two elements on it. One entry describes the first 10-byte free segment (bytes 0-9), and one entry describes the other free segment (bytes 20-29).

Now assume we have a request for just a single byte of memory. In this case, the allocator will perform an action known as ____splitting______ to find a free chunk of memory that can satisfy the request.

		splitting
		coalescing
		chopping
		relocating

Refer to the previous question.

After the action is completed, how many elements are there on the free list?

		3
		4
		2
		1

Answer: There are 2 elements in the free list. One would be from 0-9 bytes and second would be from 20-29 bytes

____Best fit______ is a strategy for managing free space which results in the smallest leftover hole in memory.

		Best fit
		Next fit
		First fit
		Worst fit

___Worst fit_______ is a strategy for managing free space which results in the largest leftover hole in memory.

		Next fit
		Best fit
		Worst fit
		First fit

venereology answered 9 months ago

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