anti spam (anti-spam)
(adj.) The phrase anti spam (or anti-spam)Refers to any software, hardware or process that is used to combat the proliferation of spam or to keep spam from entering a system. For example, a Bayesian filter is an anti spam software application, and the use of opt-in e-mail is an anti spam process.
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- Antialiasing
In computer graphics, antialiasing is a software technique for diminishing jaggies – stairstep-like lines that should be smooth. Jaggies occur because the output device, the monitor or printer, doesn’t have a high enough resolution to represent a smooth line. Antialiasing reduces the prominence of jaggies by surrounding the stairsteps with intermediate shades of gray (for […]
- anticipointment
Slang term used to describe the merging of anticipation and disappointment. In computing the term describes those who are eagerly anticipating the price drop on technology products to make them affordable, but at the same time are disappointed knowing a better product is on the horizon. Usage of the term anticipointment is credited to editor […]
- anycast
Communication that takes place over a network between a single sender and the nearest of a group of receivers. Anycast is used in IPv6 as a method of updating routing tables. One host initiates an update of a router table for a group of hosts, sending the data to the nearest host. That host then […]
- Aperture
A device that controls the amount of light admitted through an opening. In photography and digital photography, aperture is the unit of measurement that defines the size of the opening in the lens that can be adjusted to control the amount of light reaching the film or digital sensor. The size of the aperture is […]
- Apogee
In satellite communications, most satellites orbit the earth in elliptical patterns with the earth not in the exact center of the orbital pattern. When a satellite is at its furthest point from the earth, it is at the apogee of the orbit. When a satellite is at its closest point to the earth, it is […]