The purpose of the telephone is to audibly communicate with other people who are far away instantly and efficiently. Before the telephone, long distance communication was done with telegraph machines which were less effi... More »

Call barring is an action that prevents certain numbers from being dialed out from a telephone handset. Call barring can also block a phone from receiving calls from certain numbers and works similarly to the action of b... More »

An embedded computer is a computer that is integrated into other devices and is dedicated to the functions of that device. Also referred to as microcontrollers, embedded computers have been used in modern TV sets, motor ... More »

To use the Great Clips mobile check-in app, select a location from the list of nearby Great Clips salons, enter your name and telephone number, and then enter the number of people in your group who plan to receive haircu... More » Technology Mobile

PBS explains that deaf people use telephone typewriters and telecommunications devices to communicate over the telephone. These devices resemble electronic typewriters and feature a screen that displays text. PBS explain... More » Technology Mobile

The invention of the telephone allowed people around the world to instantly share new ideas and information on a whim. This increased efficiency across the board, as previous communication depended on the telegraph and h... More »

A telephone conversation is a verbal communication between two or more people carried on by means of either mobile or landline telephones. It can be short and casual, or it can be longer and more formal. The format typic... More »