- published: 28 Jan 2016
- views: 9811
A smartwatch or smart watch is a computerized wristwatch with functionality enhanced beyond timekeeping, often with features comparable to a PDA. While early models were capable of performing basic tasks like calculations, translations, or playing games, modern smartwatches are effectively wearable computers. Many smartwatches run mobile apps, some run on a mobile operating system, and a few have full mobile phone capability.
Such devices may include features such an accelerometer, thermometer, altimeter, barometer, compass, chronograph, dive computer, calculator, cell phone, GPS, graphical display, speaker, scheduler, watch, etc. It may communicate with a wireless headset, heads-up display, insulin pump, microphone, modem, or other external device.
Any computer has a data processor, memory, input and output. It may collect information from internal or external sensors. It may control, or retrieve data from, other instruments or computers. It may support wireless technologies like Bluetooth, WiFi, and GPS. However, it is possible a "wristwatch computer" may just serve as a front end for a remote system, as in the case of watches utilizing cellular technology or WiFi.