A modem that can receive messages but cannot send them. Only the most inexpensive modems are answer-only.
Also called an aerial, an antenna is a conductor that can transmit, send and receive signals such as microwave, radio or satellite signals. A high-gain antenna increases signal strength, where a low-gain antenna receives or transmits over a wide angle.
- antenna array
Also called an array antenna, antenna arrays are several antennas connected and arranged in a regular structure to form a single antenna. Antenna arrays are able to produce radiation patterns that combined, have characteristics that a single antenna would not.
Anti-adware refers to any software utility that scans your system and removes adware, spyware, keyloggers, trojans, and other malicious code from your computer. Some of these programs are undetectable to anti-virus software and many users now use an anti-adware utility in addition to anti-virus software to protect their system.
- 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.
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 […]