What Is the Capacity of a Floppy Disk?


Quick Answer

The first 8-inch floppy disks created in the 1970s had a capacity of 80 kilobytes. By 1986, IBM improved its design, resulting in the 3.5-inch floppy disk, which had a maximum capacity of 1.44 megabytes.

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What Is the Capacity of a Floppy Disk?
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Full Answer

The floppy disk was first developed to replace the use of punched cards, which during the 1960s was the only way to get information and software onto a computer. David L. Noble was assigned the task of replacing them and developed a flexible disk, coated in magnetic material that could hold the data of 3,000 punch cards. These floppy disks got dirty easily, so Herb Thompson and Ralph Flores developed a special envelope that would ward off dust and keep them clean.

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