Although noncontiguous allocation schemes eliminate external storage fragmentation and the need for compaction,they don't support direct access because there's no easy way to determine the exact location of a specific record.

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Quizplus · Accepted Answer

Noncontiguous allocation schemes, such as linked-list allocation, do not provide direct access as the records are not stored in contiguous blocks of memory. Instead, pointers are used to link the records together, making it difficult to determine the exact location of a specific record.

Although Noncontiguous Allocation Schemes Eliminate External Storage Fragmentation and the Need