The decreasing size of electronic components and improving battery technology allowed first experiments with mobile computing devices.
In the beginning of the 1980s, advancing technology provided mankind with new devices like the home computer; later was renamed to personal computer, or PC. The decreasing size of electronic components and improving battery technology allowed first experiments with mobile computing devices. An example of this is the Personal Digital Assistant or PDA, a small mobile computing device that was designed to help organizing business life by providing agenda, address books, calculator and memo functionality.