Floppy Disks

By: Jesse Miller

a floppy disk or diskette is an inexpensive portable storage medium that consist of a thin, circular, flexible plastic disk with a magnetic coating and close in a square shaped plastic shell.

the most widely used floppy disk is the 3.5 inches wide and typically can store up to 1.44 MB of data, or 1,474,560 characters. Although the exterior of the 3.5" disk is not floppy, users still refer to them as floppy disk.

Floppy disk drive is a device that can read from and can write on a floppy disk. Floppy disk drives are either built into the system unit or are external to the system unit and connected to the computer via a cable.

Data stored on a floppy disk must be retrieved and placed into memory to be processed. The time required to access and retrieve data is called the access time. The access time for floppy disk varies from about 175 ms to approximately 300 ms.

On average, data stored in a single sector on a floppy disk can be retrieved in approximately 1/15 to one third of a second.

Zip Disks:

Exhibit this is a type of portable storage media that can store from 100 MB to 750 MB of data. Zip disk can be built in to the system until or it can be external. The larger capacities at this can all about hard times more than a standard floppy disks. These large capacity, make it easy to transport many files or large items such as graphics, audio, or video files.

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Another popular use of zip this is to back up important data and information. A backup is a duplicate or duplication of a file, program, or does that you can use in case the original is lost, damaged or destroyed.

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