A type of window that appears behind the browser window of a Web site that a user has visited. In contrast to a pop-up ad, which appears over (on top of) the browser window, a pop-under is less obtrusive as it hides behind other windows. Pop-unders are used extensively in advertising on the Web, though advertising is not the only application for pop-under windows.
A pop-under is also referred to as a pop-under ad.
See “How to Deal With Pop-Ups” in the “Did You Know…” section of
- pop-up ad
A type of window that appears on top of (over) the browser window of a Web site that a user has visited. In contrast to a pop-under ad, which appears behind (in back of) the browser window, a pop-up is more obtrusive as it covers other windows, particularly the window that the user is trying […]
(n.) (1) An interface on a computer to which you can connect a device. Personal computers have various types of ports. Internally, there are several ports for connecting disk drives, display screens, and keyboards. Externally, personal computers have ports for connecting modems, printers, mice, and other peripheral devices. Almost all personal computers come with a […]
- port forwarding
In home networking, port forwarding, also called port mapping or punch-through, enables you to create a permanent translation entry that maps a protocol port on your gateway machine to an IP address and protocol port on your private LAN. It’s a transparent process, meaning network clients cannot see that port forwarding is being done. This […]
- port replicator
(pōrt rep´li-kāt-&r) (n.) A device containing common PC ports, such as serial and parallel ports, that plugs into a notebook computer. The purpose of the device is to allow you to easily attach a portable computer to standard, non-portable devices such as a printer and monitor. For example, if you use a computer both at […]
- port scan
See port scanning.