smart grid
A type of power grid that uses digital technology to deliver electricity to consumers. Using digital technology helps the grid to operate more efficiently and also helps consumers to save energy and costs while reliability of the grid is increased. Smart grids are considered to be “green technology” and are more environmentally friendly although often more prone to cyber attacks.
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- smart dust
Millimeter-scale self-contained microelectromechanical devices that include sensors, computational ability, bi-directional wireless communications technology and a power supply. As tiny as dust particles, smart dust motes can be spread throughout buildings or into the atmosphere to collect and monitor data. Smart dust devices have applications in everything from military to meteorological to medical fields.
- smart terminal
A terminal that has some processing capabilities, but not as many as an intelligent terminal. Smart terminals have built-in logic for performing simple display operations, such as blinking and boldface. In contrast, a dumb terminal has no processing capabilities at all.
- Smartphone
Smartphones are a handheld device that integrates mobile phone capabilities with the more common features of a handheld computer or PDA. Smartphones allow users to store information, e-mail, install programs, along with using a mobile phone in one device. For example a Smartphone could be a mobile phone with some PDA functions integrated into the […]
- smiley
A smiley is often used in text communications to convey an emotion with a message. Smilies are used in text messages in the same way voice changes and facial expressions are used in face-to-face or telephone conversation. For example, if you were joking with someone and send a text message of “Idiot!” the person receiving […]
- smurf
A type of network security breach in which a network connected to the Internet is swamped with replies to ICMP echo (PING) requests. A smurf attacker sends PING requests to an Internet broadcast address. These are special addresses that broadcast all received messages to the hosts connected to the subnet. Each broadcast address can support […]