Alphabetic Data With example

What is touch screen? Give some uses of it. 

Answer: Touch Screen: A touch screen is a display device that allows the user to interact with a computer by using their finger or stylus. They can be a useful alternative to a mouse or keyboard for navigating a GUI (graphical user interface).  Uses: Touch screens are used on a variety of devices, such as computer and laptop displays, smartphones, tablets, cash registers, and information kiosks. Some touch screens use a grid of infrared beams to sense the presence of a finger instead of utilizing touch-sensitive input.

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.