Information Literacy Glossary

A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, R, S, T, U, V, W

A

abstract - a summary of an article, book, etc. that provides an accurate description of its content.

Altavista - a search engine that has one of the largest databases of Web pages. It is said to contain 140 million Web pages.

archives - a repository for any documents or other materials, especially of historic value.

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B

back button - a button, located on the toolbar of an application program, such as a browser, that makes it possible to return to the previous page viewed.

bookmark - a feature found in browsers that allow you to save the address of a Web page and to go to that site at any time.

browsers - programs that provide access to files on the World Wide Web. Both Netscape Navigator and Microsoft Explorer are browsers.

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C

cache - an area of the computer providing temporary, high speed storage of data. Cache may be internal or external. Internal cache is called memory cache, while external cache is called disk cache. A browser that cannot locate a Web site live may bring up a previously-visited version of the site stored in cache.

call number - a combination of characters that is used to identify and locate an item on a library shelf.

censorship - the deliberate prevention of access to publically available material such as a work of art or literature.

Central Processing Unit (CPU) - the hardware on the computer, usually contained within a single chip, that performs calculations, reads instructions and executes functions.

chat room - an online space where two or more people can "meet" and type real-time messages to each other. In order to keep the conversation on topic, chat rooms are often limited to a theme.

cite/citation - a bibliographic reference to supporting material paraphrased or quoted in your research. The citation or bibliographic reference contains identifying information about the resource used such as its title, author, publisher and date of publication.

client computer - the computer receiving information from a network server known as the host.

closed computer network - an arrangement of multiple, connected computers permitting only certain people to have access to the information and software it offers.

command line - the line on the display screen where commands are issued to the computer. In computer programs running under the older operating system DOS, commands are typed in on the command line. In the Windows operating system, commands are available in most program as clickable icons or as clickable words listed on a bar across the top of the screen.

computer hardware - the physical parts of the computer such as disks, disk drives, display screens, keyboards, printers, boards, and chips.

computer software - computer instructions or data that give the computer the capacity to perform different functions or applications.

copyright - the legal ownership of published intellectual property such as a book.

cursor - the point on the computer screen where your computer is ready for input, usually indicated by a line, a block or an arrow. To type in different areas of the screen you need to move the cursor.

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D

Dewey Decimal System - The Dewey Decimal System is used as a means of organizing material. It was devised by Melvil Dewey with the idea of assigning, into ten decimal classes, the whole of recorded human knowledge. The ten classes are divided into ten divisions and each division is further divided into ten sections. Some libraries use the Dewey Decimal System to assign numbers to books. The books are then arranged on the library book shelves according to these numbers. Other libraries use an arrangement system designed by the Library of Congress.

dialog box - a communications system used in the Windows operating system. Dialog boxes may appear after certain commands have been clicked to offer a more detailed display of options. Additional options may include the ability to customize requests or issue a more precise command. The dialog box that appears after clicking file/print in many Windows-based programs, for example, enables the person using the program to select the desired printer and specify the number of pages to print.

directory - (1) Also referred to as a folder, a directory is a special kind of file used to organize other files on computers into hierarchical structures. Directories contain information about files that are beneath them. The main directory is called the root directory. A directory that is below another directory is called a subdirectory; a directory above a subdirectory is called the parent. (2) A Web site that organizes many other previewed Web sites into searchable categories such as Yahoo and LookSmart.

domain name - the first part of an Internet address, beginning with the server name, such as www, followed by a selected name, such as gap, and ending with a top level domain name such as .com, .org, .edu, etc.

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E

e-mail - short for electronic mail. A service that sends messages on computers through local or global networks.

editor - (1) a person who reviews a document before it can be published to assure its quality. (2) An application used to make changes to the text in existing programs or documents. Microsoft's Notepad is an example of an editor.

Excite - a World Wide Web search engine. It provides a full-text index of approximately 50 million Web pages, along with a list of over 60,000 reviewed sites. Sites are rated with a 5-star rating system.

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F

File - Electronic data or information is stored as files after it is created on a computer. Different types of files include data files, text files, program files, and directory files. A file is identified by its name, called the filename, and a file extension, or a 3-4 letter code following the filename.

file extension - a three character, alphanumeric code appearing after a file name. A period separates the file name from the extension. The file extension indicates the type of file under consideration and may also be a reference to the software used to create it. Resume.txt, for example, is the file name for a document called resume. Resume is a text, or txt document and was created with a text editor.

file server - also known as a host, the computer on a network designated to direct applications, documents and communications to the other computers on the network.

File Transfer Protocol (FTP) - a system of distributing information over the Internet, pre-dating http (hypertext transfer protocol).

firewall - a method of protecting sensitive material on a private computer network. A firewall provides a barrier between the company's network and the Internet. It can be implemented in both hardware and/or software.

flame war - a continued exchange appearing on a computer listserv or newsgroup, in which the writers express objections to each other's comments.

full-text - documents available electronically in their entirety. Full-text documents are contrasted to other documents that are offered partially either as citations or as citations with abstracts.

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G

Gopher - a hierarchal navigational tool of menus, pre-dating the Web, used to index related addresses on the Internet.

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H

home page - a site on the World Wide Web representing an individual or a group. A home page may stand alone or proceed a series of connected pages.

host - a computer that gives information or applications to a client computer or allows for communication among connected computers.

HotBot - a search engine noted for its speed and the ability to structure searches. HotBot can limit searches to Web pages that contain specific technologies such as JavaScript or Shockwave. It also allows you to limit your search within a particular top level domain name or a particular geographic area.

hot spot - the point on a Web page that serves as a link to another Web page. An image or text can serve a hot spot.

hyperlink - a point on a Web page coded with directions to a Web browser to another Web site.

Hypertext Transfer Protocol (HTTP) - defines how messages are formatted and transmitted on the Web, and what actions Web servers and browsers should take.

Hypertext Mark-up Language (HTML) - a set of codes used to format Web pages and create links. It provides instructions to a browser tellng it how to display Web pages.

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I

IP - the abbreviation for Internet Protocol. The IP address is a numerical way of identifying every computer connected to the Internet. It is composed of four strings of numbers separated by periods.

Infoseek - a World Wide Web search engine that provides a full-text search engine as well as categorized lists of Web sites.

input device - Computer hardware that feeds data into a computer, such as a keyboard or mouse.

Integrated Services Digital Network (ISDN) - an international communications standard for sending voice, video and data. ISDN lets you connect to the Internet at high speeds over existing telephone lines. ISDN requires special switching equipment and allows data to be transferred at rates of 64 Kbps.

intellectual property - a creative, published product, such as a book or a music score. The legal owner of a piece of intellectual property is the sole individual with the rights to reproduce the work. The owner also has the power to grant the right of reproduction to others.

interlibrary loan- a system libraries use in which they borrow materials from the collections of other libraries when they cannot meet a person's request with materials in their own institutions.

Internet Explorer - Microsoft's Web browser. Exploer offers access to text, graphics, sound and video on the Web.

Internet Service Provider (ISP) - a company that provides access to the Internet. For a monthly fee, the service provider gives you browser and telecommunications software, a username and password, and an access phone number. Additionally, many also offer e-mail, chat rooms, and free home page hosting as part of their service.

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J

journal - scholarly serial material.

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K

keyword - a word or a combination of words that are most relevant to the information you are searching.

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L

Library of Congress - the national library of the United States. The Library of Congress provides many tools for enabling information literacy, including a Web site for access to electronic information and a classification system for access to printed and media collections. See also Dewey Decimal System.

Local Area Network (LAN) - a network of personal computers that encompasses a relatively small area. Most LANs are found in a single building or groups of buildings.

location box - the box on a browser screen where you type in a URL in order to go to an Internet site.

LookSmart - a Web-based directory guide that contains over 250,000 Web sites in more than 12,5000 subject categories. It delivers keyword matches to reviews in its directory and also utilizes Altavista's search technology to search the entire Web. A special feature is its magazine links that may be grouped.

Lycos - a popular World Wide Web search engine and directory. Like Excite, Lycos offers a full-text search engine, a directory of Web sites organized by category, and reviews of selected sites.

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M

memory - internal storage areas in a computer that determine that amount of processing possible on a system at any time. Computers store information in units called bytes or multiples of bytes. The more bytes your computer has, the more memory it has and, therefore, the more simultaneous processing that is possible.

metasearch engine - A search engine that brings back retrieval from a number of search engines simutaneously.

microfilm - film in the form of a strip 16 millimeters or 35 millimeters wide bearing a photographic record on a reduced scale of printed or other graphic matter that is enlarged for reading or viewing using a specially designed viewer.

modem - the acronym for modulator-demodulator. A device or program that enables a computer to transmit data over telephone lines.

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N

Netcenter- Netscape's own Web site. The Netcenter site gives easy links to a few of the major search engines.

netiquette - appropriate behavior for all online activities that shows an awareness of and respect for others.

Netscape Navigator- a browser that enables you to access text, graphics, sound and video on the Web.

network - computers connected through hardware and software in order to share applications and documents and to allow for communications.

Network Interface Card (NIC) - an expansion card inserted into a computer that enables the computer to be connected to a network. It handles all the electronic functions of network access.

newsgroup - an on-line discussion group in which messages are posted after they are composed (compare to chat rooms). Any who join the group may read the messages. In order to participate, you need a news reader, a program that runs on your computer and connects you to a news server on the Internet. News group exist on nearly any topic of human interest.

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O

online journal databases - electronic resources that include citations to and abstracts of newspapers, magazine and journal articles from many sources. In some cases, online databases offer full-text, or, complete articles.

Online Public Access Catalog (OPAC) - a catalog based on and giving direct access to machine-readable cataloging records. Libraries began offering their catalogs electronically before the advent of the World Wide Web through Telnet applications. Many library catalogs are now available through the Web (see Web-based catalog).

operating systems - programs that run other programs. They perform basic tasks, such as responding to input, displaying output, organizing files and directories, and they work devices such as disk drives and printers. Windows 95 is an example of an operating system.

output device - any machine capable of displaying processed information from a computer. This includes display screens, printers, plotters and synthesizers.

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P

page source - an option on the Netscape Navigator 4.0 browser that will show you the text of your document along with the HTML coding.

password - an alphanumeric code input by a computer user in order to gain access to a computer and its services, a computer file, or a computer program.

path - the route computer software follows, through various electronic directories, to access a file.

periodical - a magazine or other publication where the issues appear at stated or regular intervals and which is intended to go on indefinitely. Usually, each issue contains articles by several contributors.

periodical index - a collection of citations to journals or magazines. A good periodical index provides numerous access points, from author and title, to subject and publisher, to allow the user to find the needed information.

personal home pages - home pages established by individuals with personal interests and talents who want others to read what they have to say or to see images they would like to display.

plagarism - to steal someone's intellectual property. A writer plagarizes by copying someone else's words without giving a citation.

platform - a standard underlying the hardware and software of a computer system. Hardware and software are developed to be compatible within a platform. Two major types of platforms are Apple or Macintosh and IBM or PC.

plug-in - an application designed to work with other software. The Netscape Navigator browser, for example, requires plug-ins for audio and video to display.

pornography - published material with sexual content that is considered obscene.

preferences - a menu within a program that allows a user to tailor the program to individual needs. The preferences menu in a browser, for example, can be used to set up to request a particular opening page, a style of font, or a background for all pages viewed.

print preview - a menu option that shows the layout of pages prior to printing. Print preview enables you to decide which pages you want to print of a very long document.

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R

RAM -an acronym for Random Access Memory, also known as main memory. You can both write data into RAM and read data from it. RAM is a temporary sort of memory. Unless data is saved, it will not be retained once the computer is shut off.

ranking - Search engines will rank the search results, presenting the most relevant sites first.

relevancy - a search engine may assign a relevancy value to each item in the results list. The higher the value, the more relevant is the result. A search engine determines relevance based on the position and frequency of occurrence of the search word in the retrieved document.

reload - To load a program or document into RAM once again in order to run it. Reload is used when browsing the Web for frequently-changing Web sites in order to see the most up-to-date version of a site.

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S

search engine - a Web site comprised of a large database of Web sites. A search engine's spider collects the Web pages. The search engine then allows visitors to do keyword searching to find appropriate pages.

self-publication - publishing without the critical review of others prior to publication. The World Wide Web provides many with the opportunity for self-publication.

serial - a publication issued in parts (i.e., weekly magazines) over an indefinite period.

spam - Mass electronic mailings, usually of advertisements, to e-mail accounts.

spider - a program that automatically fetches Web pages. A search engine works by sending out a spider to fetch as many documents as possible. A spider is also known as a robot or crawler.

status bar - The status bar is located on the bottom of the screen of the Netscape Navigator browser. It will tell you when the connection to the URL has been made and how much of the document has been downloaded as the downloading proceeds.

subject heading - a uniform word or group of words used to describe the subject of library material in a library catalog. Also, a uniform word or group of words used to describe the subject of a reference in an index to periodical articles.

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T

T-1 line - a dedicated phone connection supporting data rates of 1.544Mbits per second. T-1 lines are a popular leased line option for businesses connecting to the Internet and for Internet Service Providers (ISPs) connecting to the Internet backbone.

telnet - a terminal emulation program for TCP/IP networks such as the Internet. The telnet program allows you to log on to another computer from a remote location. You can then issue commands just as if you were at that computer's keyboard and gain access to all the computer's resources.

trademark - image or text associated with a commercial organization that represesnts that organization and is owned by that organization. Many businesses have paid to assure that their URLs correspond to the printed trademarks long-associated with their names.

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U

URL - the abbreviation of Uniform Resource Locator. URLs are the names of Web sites that appear as punctuated words, such as www.census.gov. The URL consists of a fully qualified domain name (FQDN) and any additional paths that are needed to reach a desired file.

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V

virtual library - a site that organizes Internet information by subject matter. A virtual library exists independently of a physical building and a printed collection.

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W

web-based catalog - library catalogs that can be accessed on the World Wide Web as web sites. Web-based catalogs use the same data transfer technology that is used on other Web pages.

web server - a host computer that delivers documents, software and other files to client computers making requests across the Internet.

Wide Area Network (WAN) - Computers connected over distances via telephone lines and radio waves.

World Wide Web (Web or WWW) - the Internet environment, when accessed with a browser, that involves the transfer of text, graphics, sound and video through hyperlinks to Web site URLs.

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Y

Yahoo - Short for Yet Another Hierarchical Officious Oracle, Yahoo! is the largest and most popular index, or directory Web site on the Internet.


October 4, 1998
Susan Kahn and Beth Evans