Unit 2 Glossary

Applications: Computer programs with a user interface

Boolean Search Logic: Combining words and phrases using the words AND, OR, NOT and NEAR (otherwise known as Boolean operators) to limit, widen, or define your Internet search

Browser: A program that accesses and displays files and other data available on the Internet and other networks

Communication: The imparting or exchanging of information or news

CPU: (Central Processing Unit) The key component of a computer system, which contains the circuitry necessary to interpret and execute program instructions

Central Processing Unit: The key component of a computer system, which contains the circuitry necessary to interpret and execute program instructions

Digital Camera: Camera that records and stores digital images

Digital Video Camera: A video camera is a camera used for electronic motion picture acquisition, initially developed by the television industry but now common in other applications as well

Download: To copy data from one computer system to another or to a disk

E-Mail (Electronic Mail): To communicate electronically on the computer

Hardware: The machines, wiring, and other physical components of a computer or other electronic system

HTML: Hypertext Markup Language, a standardized system for tagging text files to achieve font, color, graphic, and hyperlink effects on World Wide Web pages

Hyperlink: A link from a hypertext file or document to another location or file, typically activated by clicking on a highlighted word or image on the screen

Internet: An international computer network providing e-mail and information from computers in educational institutions, government agencies, and industry, accessible to the general public via modem links

Science: The intellectual and practical activity encompassing the systematic study of the structure and behavior of the physical and natural world through observation and experiment

Software: The programs and other operating information used by a computer

Surf: To browse the Internet; look around casually and randomly, without seeking anything in particular

Technology: The application of scientific knowledge for practical purposes

URL: Uniform Resource Locator; a location or address identifying where documents can be found on the Internet; a Web address

Virus: A piece of code that is capable of copying itself and typically has a detrimental effect, such as corrupting the system or destroying data

WWW: World Wide Web; a system of interlinked hypertext documents contained on the Internet