The CPU and motherboard use software to tell what’s called the “Read/Write Head” where to move on the platter and where it then provides an electrical charge to a “sector” on the platter. Inside the casing there are a series of disk-like objects referred to as “platters”. While HDDs have come a long way from when they were first invented, the basic way that they operate has stayed the same. This feature, coupled with their large storage capacity and their relatively low cost are the reasons why HDDs are used so frequently in home computers. It stands to mention that an HDD is what’s referred to as “non-volatile”, which simply means that it can save data without a source of power. It functions like any other type of digital storage device by writing bits of data and then recalling them later. A Hard Disk Drive (HDD for short) is a type of storage commonly used as the primary storage system both laptop and desktop computers.
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