External may refer to any of the following:
1. In general, external refers to anything outside of a location.
2. External describes a hardware device that is installed outside of the computer. For example, a printer (shown to the right) is an external device because it is connected to the back of the computer and is outside of the case. However, a video card is an internal device since it is found inside of the computer case.
External hardware examples
- Flat-panel, Monitor, and LCD
- Hard Drive
- USB thumb drive
5. When referring to a network, external can be used to describe data that is accessible to those inside and outside of the private network. For example, the Internet is an external source of data on a network.