[...]...7_4105_DO_CompInternetTerms_FM 802.11 12/29/08 10:15 AM Page 4 4 802.11 (more fully, IEEE 802.11) a set of specifications for wireless networking that give performance similar to 10base-T or 100base-T and implement Wi-Fi product compatibility standards (Table 1) Note that the three 2.4-GHz specifications are downward compatible; that is, a Wireless-B computer will work in a Wireless-G or Wireless-N network Of. .. National Standards Institute) the main industrial standardization organization in the United States There are official ANSI standards in almost all industries, and many of them have to do with computers In computer programming, ANSI most often refers to one of the following: 1 ANSI standard versions of C, FORTRAN, COBOL, or other programming languages Typically, a particular manufacturer’s version of a language... businesses, especially when members of a tight-knit work group are traveling airbrush a tool available in some paint programs that simulates the effect of spraying paint; the edges are soft and the colors are translucent The softness of the edge, size of the spray pattern, and the degree of opaqueness can be controlled (see Figure 5) In bitmap-editing programs that do not offer an airbrush tool, there is... upstream and downstream data rates are different Full-rate ADSL provides data rates of up to 8 Mbps downstream and 1.5 Mbps upstream The variety of ADSL commonly provided to homes is called G.lite and provides data rates up to 1.5 Mbps downstream and 0.5 Mbps upstream See DSL and cross-references there advance fee fraud scams promising you a large amount of money provided you pay some kind of fee in... title of an alias icon is in italics and displays a small arrow in the lower left corner of the icon In Windows, an alias is called a SHORTCUT 2 (UNIX) an alternative way of typing a command The alias command creates aliases For example, if you execute the command alias dir ls -al then from then on, command) dir will mean ls -al (the complete file listing FIGURE 6 Aliasing aliasing the appearance of false... full knowledge and consent Adware of the latter type can make advertisements pop up on the screen even when the web browser is blocking pop-up ads See POP-UP AD Software tools for detecting and removing malicious adware can be found at www.safer-networking.org and www.lavasoftusa.com See also MALWARE; SPYWARE .aero a suffix indicating that a web or e-mail address belongs to some part of the aeronautical... consists of an identifying name and other records necessary to keep track of a user Sometimes an account belongs to another computer or a computer program rather than a human being accounting system software that reads in data for transactions and generates income statements, balance sheets, and related financial reports See also QUICKEN accumulator the register where a computer stores the result of an... accents are English and Latin Most computer software treats a letter with an accent as a single character More sophisticated systems represent the accent and the letter separately, so that any accent can be put on any letter See ANSI 7_4105_DO_CompInternetTerms_A 12/29/08 9 10:17 AM Page 9 accessibility acceptable-use policy a policy established by the owner of a computer system, or by an Internet service... Yahoo!, and now uses the Yahoo! database alpha (α) a measure of the opacity, or visibility, of an object in a graphical image A transparent object has an alpha of 0 and is invisible; most objects have an alpha of 1 and completely cover the objects behind them alpha channel (in paint programs) a CHANNEL that defines a selection Instead of specifying a color of ink to print, the alpha channel marks part of. .. Georgia (a suburb of Atlanta), and can be reached on the Web at www.ami.com Amiga a computer marketed by Commodore Business Machines in the 1980s to mid-90s Similar in size and cost to the IBM PC, it had a quite different architecture and was ahead of its time in many ways, offering multitasking, windowing, an advanced graphics system, and MIDI music Like the Macintosh, it used Motorola 68000-series microprocessors . 97 8-0 -7 64 1-4 10 5-8 ISBN-10: 0-7 64 1-4 10 5-8 Library of Congress Catalog Card No. 2008044365 Library of Congress Cataloging-in-Publication Data Downing, Douglas. Dictionary of computer and Internet terms / Douglas. Wireless-G 2.4 GHz 54 Mbps Wireless-B, -G 802.11n Wireless-N 2.4 GHz 100 Mbps Wireless-B, -G, -N 3 486 7_4105_DO_CompInternetTerms_FM 12/29/08 10:15 AM Page 3 802.11 (more fully, IEEE 802.11) a set of. Emory University. 7_4105_DO_CompInternetTerms_FM 12/29/08 10:15 AM Page ii CONTENTS About the Authors ii To the Reader iv Dictionary of Computer and Internet Terms 1 Numbers 1 Greek Letters 5 A