[...]... www.amiga.com) 7_ 410 5_DO_CompInternetTerms_A 12 /29/08 10 :17 AM Page 20 20 ampere, amp ampere, amp a unit for measuring electric current A current of 1 ampere means that 6.25 × 10 18 electrons are flowing by a point each second A group of 6.25 × 10 18 electrons has a charge of 1 coulomb, so 1 ampere = 1 coulomb per second ampersand the character &, which stands for the word and For an illustration of ampersands in... TV, S A4 the standard size of typing paper everywhere except the United States, 210 × 297 mm, about 81 4 × 11 3⁄4 inches American typing paper is 81 2 × 11 inches A4 is part of an ISO standard for paper sizes (chosen so that A0 paper (840 × 11 89 mm) has an area of 1 square meter and each size can be cut in half to make the next smaller one Thus, the area of a sheet of A4 paper is 1 16 m2) For table,...7_ 410 5_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 10 base-T or 10 0base-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... whose elements are: y[0][0] y [1] [0] y[2][0] y[0] [1] y [1] [1] y[2] [1] y[0][2] y [1] [2] y[2][2] y[0][3] y [1] [3] y[2][3] y[0][4] y [1] [4] y[2][4] 7_ 410 5_DO_CompInternetTerms_A 29 12 /29/08 10 :17 AM Page 29 artificial intelligence Multidimensional arrays are useful for storing tables of data, such as three test grades for each of five students See also DATA STRUCTURES; SORT FIGURE 14 Array (two-dimensional, 3... used way of providing a high-speed Internet connection through ordinary telephone 7_ 410 5_DO_CompInternetTerms_A 12 /29/08 10 :17 AM advance fee fraud Page 14 14 lines; called asymmetric because the 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... named “Elephants,” and if it resides in file http://www.vet.uga.edu/animals.html, then the full address of the anchor is http://www.vet.uga.edu/animals.html#Elephants See HTML; WORLD WIDE WEB AND gate a logic gate that produces an output of 1 only when all of its inputs are 1, thus: Inputs 0 0 0 1 1 0 1 1 Output 0 0 0 1 The symbol for an AND gate is shown in Figure 9 AND gates are used in computer arithmetic... example, BASIC stands for Beginner’s All-Purpose Symbolic Instruction Code See also TLA activate 1 to choose a window in which you want to type This is done by moving the mouse pointer into the window and clicking one button In some 7_ 410 5_DO_CompInternetTerms_A 12 /29/08 11 10 :17 AM Page 11 ActiveX operating systems you must click on the window’s title bar See WINDOW 2 to start a piece of software by double-clicking... do next, and it must have a finite number of steps A computer program is an algorithm written in a language that a computer can understand, but the same algorithm can be written in several 7_ 410 5_DO_CompInternetTerms_A 12 /29/08 17 10 :17 AM Page 17 allocation unit different languages An algorithm can also be a set of instructions for a person to follow A set of instructions is not an algorithm if it... 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... and then paste them into your application 7_ 410 5_DO_CompInternetTerms_A 23 12 /29/08 10 :17 AM Page 23 antialiasing TABLE 2 ANSI CHARACTER SET USED IN MICROSOFT WINDOWS antialiasing 1 a technique for eliminating the stairstep appearance of slanted and curved lines on computer displays by partly illuminating some of the pixels adjacent to the line See Figure 11 2 a technique for eliminating spurious tones . 7_ 410 5_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 7 B 38 C 71 D 12 4 E. THE READER 7_ 410 5_DO_CompInternetTerms_FM 12 /29/08 10 :15 AM Page v 7_ 410 5_DO_CompInternetTerms_FM 12 /29/08 10 :15 AM Page vi NUMBERS 1- 2-3 see LOTUS 1- 2-3. 3Com a leading producer of networking. 7_ 410 5_DO_CompInternetTerms_FM 12 /29/08 10 :15 AM Page i © Copyright 2009, 2006, 2003, 2000, 19 98, 19 96, 19 95, 19 92, 19 89, and 19 86 by Barron’s Educational Series, Inc. All rights reserved. No part of this