求一篇关于酒店的3000字左右的英文文章

In 1972, IBM introduced flexible diskettes as a medium for loading programs into mainframe computers. Because the disks were so flexible, they were nicknamed floppy disks. They are inexpensive, small, and easy to handle, store, and send through the mail. Most computers have at least one floppy disk drive.
Floppy disks, also called diskettes, are available in two sizes: 3.5 and 5.25 inches. For MS-DOS based computers, the 3.5-inch disks are available in 720-kilobyte (double - density), 1.44-megabyte (high - density), and 2.88-megabyte (extended - density) capacities. The 5.25-inch disks have a density of 48 tracks per inch, whereas high-density disks have a density of 96 tracks per inch. Almost all 3.5-inch floppy disks have a density of 135tracks per inch.
The earliest models of floppy disks were single-sided. The addition of another read/write head in the disk drive led to the use of double-sided floppy disk, and doubled the capacity of the disk. Today, all floppy disks