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In Flash memory, the erase operation can be performed on a number of pages, called an _______ at once, and takes about 1 to 2 milliseconds.

(a) Delete block

(b) Erase block

(c) Flash block

(d) Read block

The question was posed to me during an internship interview.

I want to ask this question from Magnetic Disk and Flash Storage in portion Storage and File Structures of Database Management

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Correct choice is (b) Erase block

Explanation: The size of an erase block (often referred to as just “block” in flash literature) is usually significantly larger than the block size of the storage system.

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