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When free space isn't available, the new block is allocated space from existing blocks thrown out from the buffer

9. When free space isn't available, the new block is allocated space from existing blocks thrown out from the buffer.

1. Free space
2. Fixed space
3. Filled space
4. No space

Answer: A) Free space

Explanation:

When free space isn't available, the new block is allocated space from existing blocks thrown out from the buffer.