A computer network that spans a relatively large geographical area. Typically, a WAN consists of two or more local-area networks (LANs).
Computers connected to a wide-area network are often connected through public networks, such as the telephone system. They can also be connected through leased lines or satellites. The largest WAN in existence is the Internet.
In telecommunications terminology, wideband is used to describe a “wide band” of frequencies within a spectrum. Wideband means that the transmission channel itself has a wider bandwidth than one voice channel. The term wideband itself is variously defined, however the ITU-T G.722 standard defines wideband as a bandwidth of up to 7 kHz.
- wideband voice
See under HD voice.
Pronounced wih-jit. (1) Widget is a generic term for the part of a GUI that allows the user to interface with the application and operating system. Widgets display information and invite the user to act in a number of ways. Typical widgets include buttons, dialog boxes, pop-up windows, pull-down menus, icons, scroll bars, resizable window […]
(1) In word processing, the last line of a paragraph that appears as the first line of a page. Widows are considered bad form in page layout, so many word processors allow you to avoid them. When the word processor detects a widow, it can end the page one or more lines early so that […]
- Wi-Fi phone
A cellular telephone that’s capable of connecting to the Internet through a Wi-Fi network or hotspot is frequently referred to as a Wi-Fi phone. Wi-Fi mobile phones enable a person to make calls, send and receive text messages, receive voicemail and access the Internet when connected to a Wi-Fi network. A second category of Wi-Fi […]