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Ch01 - part1.ppt
1.
Introduction to Information
Technology: Your Digital World © 2013 The McGraw-Hill Companies, Inc. All rights reserved. Using Information Technology, 10e © 2013 The McGraw-Hill Companies, Inc. All rights reserved. Using Information Technology, 10e 1
2.
Introduction to Information
Technology: Your Digital World © 2013 The McGraw-Hill Companies, Inc. All rights reserved. Using Information Technology, 10e 2
3.
Introduction to Information
Technology: Your Digital World © 2013 The McGraw-Hill Companies, Inc. All rights reserved. Using Information Technology, 10e 3
4.
Introduction to Information
Technology: Your Digital World © 2013 The McGraw-Hill Companies, Inc. All rights reserved. Using Information Technology, 10e 4 DEFINITION: Information Technology (IT) describes any technology that helps to produce, manipulate, store, communicate, and/or disseminate information. • Part 1: Computer Technology • Part 2: Communications Technology
5.
Introduction to Information
Technology: Your Digital World © 2013 The McGraw-Hill Companies, Inc. All rights reserved. Using Information Technology, 10e 5 COMPUTER TECHNOLOGY: A computer is a programmable, multiuse machine that accepts data—raw facts and figures —and processes, or manipulates, it into information we can use, such as summaries, totals, or reports. - Its purpose is to speed up problem solving and increase productivity.
6.
Introduction to Information
Technology: Your Digital World © 2013 The McGraw-Hill Companies, Inc. All rights reserved. Using Information Technology, 10e 6 COMMUNICATIONS TECHNOLOGY : Communications technology , also called telecommunications technology , consists of electromagnetic devices and systems for communicating over long distances. The principal examples are telephone, radio, broadcast television. In more recent times, there has been the addition of communication among computers—which is what happens when people “go online” on the internet.
7.
Introduction to Information
Technology: Your Digital World © 2013 The McGraw-Hill Companies, Inc. All rights reserved. Using Information Technology, 10e 7 - Online: means using a computer or some other information device, connected through a network, to access information and services from another computer or information device. - A network is a communications system connecting two or more computers; the internet is the largest such network.
8.
Introduction to Information
Technology: Your Digital World © 2013 The McGraw-Hill Companies, Inc. All rights reserved. Using Information Technology, 10e • Information technology is essential on college campuses. • IT is used in teaching, labs, and in course management. • Many college classes are either taught online or have a class website. DEFINITION: Distance learning is online education 8
9.
Introduction to Information
Technology: Your Digital World © 2013 The McGraw-Hill Companies, Inc. All rights reserved. Using Information Technology, 10e • Problem: Computers in the classroom can be used or misused. • What should they be used for? • Following the lecture • Working along with the instructor • Performing instructor-assigned Internet searches • Completing assignments for this class • What is misuse? • Text messaging or emailing friends • Surfing the Internet for entertainment • Doing assignments for other classes 9
10.
Introduction to Information
Technology: Your Digital World © 2013 The McGraw-Hill Companies, Inc. All rights reserved. Using Information Technology, 10e • DEFINITION: Virtual means something that is created, simulated, or carried on by means of a computer or a computer network. • Virtual money • Cash-value cards • “Electronic wallets” (e.g., PayPal) • Online bill paying • E-Commerce: 10
11.
Introduction to Information
Technology: Your Digital World © 2013 The McGraw-Hill Companies, Inc. All rights reserved. Using Information Technology, 10e • Cash-value cards: (such as subway fare cards) • Online bill paying : it has been possible to pay bills online, such as those from phone and utility companies, with special software and online connections to your bank. • A digital wallet allows an individual to make electronic commerce transactions. This can include purchasing items on-line with a computer or using a smartphone to purchase something at a store. • E-commerce The buying and selling of products and services by businesses and consumers through an electronic medium, without using any paper documents. 11
12.
Introduction to Information
Technology: Your Digital World © 2013 The McGraw-Hill Companies, Inc. All rights reserved. Using Information Technology, 10e • Videogames • Photo sharing • Downloading • Music • Movies 12 Downloading: transferring data from a remote computer to one’s own computer
13.
Introduction to Information
Technology: Your Digital World © 2013 The McGraw-Hill Companies, Inc. All rights reserved. Using Information Technology, 10e • Hotels: use computer reservations systems. • Law Enforcement: Officers use computers • On patrol • To check stolen cars • To check criminal records 13
14.
Introduction to Information
Technology: Your Digital World © 2013 The McGraw-Hill Companies, Inc. All rights reserved. Using Information Technology, 10e • Office careers: Budget, payroll, letter-writing, email • Fashion: Sales/inventory control systems, ordering, personnel • Job-hunting: • Use word processor to create résumés • Post résumés online • Online job searches 14 Discussion Question: Can anyone think of a career that does not require computer skills at all?
15.
Introduction to Information
Technology: Your Digital World © 2013 The McGraw-Hill Companies, Inc. All rights reserved. Using Information Technology, 10e 15
16.
Introduction to Information
Technology: Your Digital World © 2013 The McGraw-Hill Companies, Inc. All rights reserved. Using Information Technology, 10e 16
17.
Introduction to Information
Technology: Your Digital World © 2013 The McGraw-Hill Companies, Inc. All rights reserved. Using Information Technology, 10e The Telephone Grows Up • 1973: First cellphone call • Mobile phone use estimated to rise to 3.9 billion users by 2013 • Today’s cellphones: • Can connect to Internet & web for all sorts of activities • Can send and receive text messages • Can take and send pictures, download music & video • Can obtain news and TV programs 17
18.
Introduction to Information
Technology: Your Digital World © 2013 The McGraw-Hill Companies, Inc. All rights reserved. Using Information Technology, 10e • Introduced in 1981 • Reached 10 million users in about one year • Has been the fastest-growing technology • 1998 surpassed hand-delivered mail • In business, at least, email requires writing skills 18
19.
Introduction to Information
Technology: Your Digital World © 2013 The McGraw-Hill Companies, Inc. All rights reserved. Using Information Technology, 10e • Cyberspace • Term coined by William Gibson in Neuromancer (1984) • Described a futuristic computer network people “plugged” into directly with their brains • Now the term cyberspace encompasses: • The Internet & the World Wide Web in particular • The wired and wireless communications world in general • Thus, cyberspace includes chat rooms, blogs, ATMs, conference calls, texting, etc. • Two most important aspects: Internet and web 19
20.
Introduction to Information
Technology: Your Digital World © 2013 The McGraw-Hill Companies, Inc. All rights reserved. Using Information Technology, 10e 20 • Internet • The worldwide computer network that links thousands of smaller networks • Links educational, commercial, nonprofit, and military entities, plus individuals • Originally developed to share only text and numeric data; through the web now also supports multimedia
21.
Introduction to Information
Technology: Your Digital World © 2013 The McGraw-Hill Companies, Inc. All rights reserved. Using Information Technology, 10e 21 • World Wide Web • The multimedia part of the Internet • An interconnected system of servers that support specially formatted documents in multimedia form • Includes text, still images, moving images, sound • Responsible for the growth and popularity of the Internet
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