Magnetic disk and Magnetic tape

Define alphabetic data with example?

Answer: An alphabetic data is a group of letters that make up each of the sounds of a language. With the English language, the alphabet contains letters "A" through "Z." With computers, the alphabetic data is stored as ASCII and allows the computer to display text and interact with the user. The alphabetic also helps with sorting and finding information by sorting data in alphabetic order.

An example of straight forward alphabetical ordering follows: As; Aster; Astrolabe; Astronomy; Astrophysics; At; Ataman; Attack; Baa.

What is magnetic disk and magnetic tape?

Answer: Magnetic Disk: A magnetic disk is a storage device that uses a magnetization process to write, rewrite and access data. It is covered with a magnetic coating and stores data in the form of tracks, spots and sectors. 

Hard disks, zip disks and floppy disks are common examples of magnetic disks.

Magnetic tape : Magnetic tape is a long and narrow strip of plastic that thin magnetic material is coated on. Nearly all recording tape is of this type, whether used for recording audio or video or computer data storage. 

Magnetic tape recording uses magnetic tape which moves on a recording head.