A passive electronic component that holds a charge in the form of an electrostatic field. They are often used in combination with transistors in DRAM, acting as storage cells to hold bits.
Capacitors typically consist of conducting plates separated by thin layers of dielectric material, such as dry air or mica. The plates on opposite sides of the dielectric material are oppositely charged and the electrical energy of the charged system is stored in the polarized dielectric.
Short for capital letters. For example, “all caps” means all letters capitalized.
In video terminology a caption is used to mean a text representation of the audio in the video. Captions are often used by those viewers who are hearing impaired, and will describe what is being said, emotions, and background sounds. Captions can also used for indexing and retrieval.
- captive portal
A Web page used on public-access networks that require a user to view and interact with before being granted access to the public network. Captive portals are widely used businesses which offer free Wi-Fi hotspots to Internet users. Usually the captive portal will require users to read and accept the business’ acceptable use policy (AUP). […]
- capture card
See video capture.
- carbon footprint
The amount of carbon dioxide emissions created by a person or industry. A 2007 study by Gartner indicated that two percent of worldwide carbon emissions comes from the global information and communications technology (ICT) industry.