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HD DVD by Hayes Microcomputer Products, Inc., Norcross, Georgia). Almost all modems nowadays are Hayes compatible. Modems need not be Hayes compatible in order to communicate with each other. Hayes compatibility refers only to the commands used by the computer to control the modem. They are often called the AT COMMAND SET and begin with [...]

Full-Text Search full-text search the act of searching through every word in a set of docu- ments to retrieve information you are interested in. This is a slow but thorough way to use a computer to search through web pages, court records, scholarly journals, or other material to retrieve items that you are interested in. [...]

Ergonomics nesses are not used (because the picture is too bright or too dark, or because of a contrast problem), the equalized picture will often look much better. Equalizing can dramatically improve the appearance of objects that are nearly the same brightness as their background. Erase erase the command that erases a file or set [...]

DNA to prevent copying, even when the copying itself is legal. “No person shall circumvent a technological measure that effectively controls access to a work protected under this title” (17 USC 1201). The law also makes it ille- gal to distribute circumvention technology but this is hard to enforce. Critics argue that the DMCA is [...]

Color again after a random length of time (not the same length of time, or they would collide again, ad infinitum). Some collisions are normal on any busy network. Constant collisions indicate that the network is over- loaded. See ETHERNET. FIGURE 61. Additive color mixing Color color the visible difference between different wavelengths of light. Fortunately, the human [...]

Class Library access to Internet sites with objectionable content. The Supreme Court upheld this law in 2003 (United States v. American Library Association). Circularity circularity the problem that arises when a computer cannot finish a task until it has already finished it—an impossible situation. For example, in a spreadsheet, a circularity problem arises if you enter [...]

Chicago Chicago the code name by which Windows 95 was identified before its release. Compare CAIRO; LONGHORN; MEMPHIS; WHISTLER; BLACKCOMB. child  child an object created with the properties of another object (called the PAR- ENT). Updating the properties of the parent object affects the children, but changing the properties of the child does not affect the parent. See VECTOR GRAPHICS; OBJECT-ORIENTED PROGRAMMING. child process child process a [...]

CCD CCD image sensor 82 FIGURE 51. CCD image sensor (in webcam with lens removed) CCD image sensor CCD image sensor (charge-coupled device) the electronic image sensor most often used in digital cameras, video cameras, and scanners. A lens forms an image on an array of cells (Figure 52), each of which contains a photoconductive layer that [...]

Cairo 2. a set of files kept by a WEB BROWSER to avoid having to download the same material repeatedly. Most web browsers keep copies of all the web pages that you view, up to a certain limit, so that the same pages can be redisplayed quickly when you go back to them. If a web page has [...]

Bounce 1. to return a piece of E-MAIL to its sender because of problems deliver- ing it. 2. to transfer a piece of incoming e-mail to another recipient without indicating who forwarded it. 3. (slang) to turn a piece of equipment off and on again (to POWER-CYCLE it). Bounding box bounding box an invisible box surrounding a graphical object and deter- mining [...]