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A hard disk drive (sometimes abbreviated as a hard drive, HD, or HDD) is a non-volatile data storage device. It is usually installed internally in a computer, attached directly to the disk controller of the computer's motherboard. It contains one or more platters, housed inside of an air-sealed casing.
What is the meaning of storage drives?
Hardware that stores data without power until purposely erased. For decades, the hard drive has been the computer's internal storage unit; however, solid state drives (SSDs) are increasingly replacing hard drives, and "storage drive" is the more accurate term for storage hardware.
What are memory cards?
A memory card is an electronic data storage device used for storing digital information, typically using flash memory. These are commonly used in digital portable electronic devices. They allow adding memory to such devices using a card in a socket instead of a protruding USB flash drives.
