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This article mainly introduces what the disk in the computer refers to, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, let the editor take you to understand it.

Magnetic disk refers to the memory that uses magnetic recording technology to store data. Disk is the main storage medium of computer, which can store a large amount of binary data and keep the data from being lost after power loss.

Disk refers to the memory that uses magnetic recording technology to store data, and it is the main storage medium of the computer. The disk used by early computers is floppy disk (Floppy Disk), but now the commonly used disk is hard disk (Hard disk, referred to as hard disk).

Floppy disk

Floppy disk (Floppy Disk) is the earliest removable medium used in personal computer (PC). The reading and writing of floppy disk is done through floppy disk drive. Floppy disk drives are designed to receive removable floppy diskettes. At present, the commonly used floppy disk is the 3. 5-inch floppy disk with the capacity of 1.44MB, which was once very popular. After that, due to the emergence of U disk, the application of floppy disk gradually declined until it was eliminated.

Hard disk

Hard disk is the most important storage device of computer. The hard disk (Hard Disk Drive, HDD full name Winchester hard drive) consists of one or more aluminum or glass discs. These discs are covered with ferromagnetic material.

The vast majority of hard drives are fixed and permanently sealed in the hard drive. The early hard disk storage medium was replaceable, but today's typical hard disk is a fixed storage medium, sealed in the hard disk (except for a filter hole to balance air pressure). With the development, removable hard disk also appeared, and more and more popular, more and more kinds. The hard drives installed on most microcomputers are called "Winchester hard drives", or "warm disks" for short, because they use winchester technology.

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