| Word | Description |
| Interlaced Video | With Interlaced Video, the individual images of a video sequence are created by scanning a scene line by line. |
| IP Address | Internet Protocol Address. An IP address is a numerical sets of numbers consisting of 4 blocks of up to 3 digits each in the range of 0 to 254. Every device on a network must have its own unique IP address. For LANs there are special sets of IPs that are used. These consist of the following blocks: 10.x.x.x — where x = a number from 0 to 254. 192.168.x.x 127.x.x.x 172.x.x.x 169.x.x.x All other IP address blocks are considered public and are for use as WAN addresses. |
| IR Remote | IR remotes require line-of-sight to the source in order to control the device. Most universal remotes, such as the Logitech Harmony series, are IR based remotes. |
| ISP | Internet Service Provider |