TestOut LabSim A+ Certification Practice Exam

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What type of memory is typical for SDHC cards?

Primary storage memory
Dynamic RAM
Flash memory
Magnetic memory

The correct answer is: Flash memory

SDHC cards, or Secure Digital High Capacity cards, use flash memory technology. Flash memory is a non-volatile storage medium, meaning it retains data even when power is removed, making it ideal for portable storage devices like SD cards. This type of memory provides fast read and write speeds and is compact, which is suitable for the small form factor of SDHC cards, commonly used in cameras, smartphones, and other portable electronic devices. The non-volatile aspect of flash memory ensures that data stored on SDHC cards remains intact without the need for a constant power supply, distinguishing it from other types of memory like dynamic RAM, which is volatile and requires power to retain data.