scan
To digitize an image by passing it through an optical scanner. See under optical scanner.
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- scatter diagram
A type of diagram used to show the relationship between data items that have two numeric properties. One property is represented along the x-axis and the other along the y-axis. Each item is then represented by a single point. Scatter diagrams are used frequently by computer publications to compare categories of hardware and software products. […]
- scattering
In fiber optic transmissions, scattering is the loss of signal caused by the diffusion of a light beam, where the diffusion itself is caused by microscopic variations in the transmission medium. Scattering typically happens when a light signal hits an impurity in the fiber.
- scatternet
A group of independent and non-synchronized piconets that share at least one common Bluetooth device. Bluetooth devices must have point-to-multipoint capability to engage in scatternet communication. There may be a maximum of 10 fully loaded piconets in a scatternet.
- scheduler
(1) A software product designed to help a group of colleagues schedule meetings and other appointments. The scheduler program allows members of a group to view each others’ calendars so that they can choose a convenient time. Once a time has been selected, the scheduler can automatically send out reminders through e-mail and can even […]
- Schema
Pronounce skee-ma, the structure of a database system, described in a formal language supported by the database management system (DBMS). In a relational database, the schema defines the tables, the fields in each table, and the relationships between fields and tables. Schemas are generally stored in a data dictionary. Although a schema is defined in […]