A computer input device that can read text, images, and bar codes and translate them into digital code that a computer understands.
A remotely accessible program that lets you do keyword searches for information on the Internet. A directory is a catalog of sites collected and organized by people. Subject directories are often called subject "trees" because they start with a few main categories and then branch out into subcategories, topics, and subtopics. Yahoo!*1 is the most common search directory.
A remotely accessible program that lets you do keyword searches for information on the Internet. There are several types of search engines; the search may cover titles of documents, URLs, headers, or the full text. Examples are Yahoo! Search*,1 Google*,1 and MSN Search*.1
Storage that is not involved in the processing of information. This type of storage is used to maintain the digital information for later use. Includes such storage devices as hard disks, tape drives, and optical disks.
A material that when combined with some other material can be turned into an insulator or a conductor.
A number given to a chunk of data from a message so that the message can be reassembled in the correct order.
A server is a special device used to "serve" a system or facility. A server is a computer in a client/server architecture that supplies files or services. The computer that requests services is called the client. The client may request file transfer, remote logon, printing, or other available services.
Software that is copyrighted, but may be downloaded and used for a limited time for free, after which the user is asked to voluntarily send the author a small payment. Some shareware products offer additional features, documentation, technical support, and/or updates to registered users.
Microsoft Corporation's term for a symbolic link, often represented as an icon with an arrow integrated on it. On the Macintosh, Apple Corporation refers to a symbolic link as an alias.
The electrical impulse representing data that is being transmitted from one place to another.
The most common element in nature and the material used to create most transistors and integrated circuits.
An application that is able to produce the mask or pattern needed for a particular layer on the chip using the information that is contained in the circuit diagram.
An organization or facility where a host computer is located.
See also Web site.
SMTP (simple mail transfer protocol)
A protocol from the Internet suite (for example TCP/IP) that is used to send electronic mail between users on different host systems.
The programs and data that make computer hardware function.
The post of a transistor that receives the electricity from the circuit's pathway.
The ability of a computer or other electronic device to understand the spoken word. Speech recognition allows you to use just your voice to direct a device to perform a command or to take input. Instead of typing in a letter, for instance, you could simply dictate it to the computer.
A rule set up and established by authority or custom for the measure of quantity, weight, extent, value, or quality of something.
In computing, any device in which (or on which) information is stored.
A series of panels on which a set of sketches is arranged depicting consecutively the important changes of scene and action in a series of shots in a film, animation, television show, or commercial.
Any device that allows the flow of electricity in a circuit when turned on (completing the circuit pathway), or stops the flow of electricity when turned off (creating a break in the circuit pathway).