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introduction of ict
1.
Chapter 1 Introducing Todayās Technologies Discovering Computers
2016 Tools, Apps, Devices, and the Impact of Technology
2.
2 Objectives Overview Differentiate among laptops,
tablets, desktops, and servers Describe the purpose and uses of smartphones, digital cameras, portable and digital media players, e- book readers, wearable devices, and game devices Describe the relationship between data and information Briefly explain various input options Differentiate the web from the Internet, and describe the relationship among the web, webpages, websites, and web servers Explain the purpose of a browser, a search engine, and an online social network See Page 2 for Detailed Objectives Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
3.
3 Objectives Overview Briefly describe
digital security risks associated with viruses and other malware, privacy, your health, and the environment Differentiate between an operating system and applications Differentiate between wired and wireless technologies, and identify reasons individuals and businesses use networks Discuss how society uses technology in education, government, finance, retail, entertainment, health care, science, travel, publishing, and manufacturing Identify technology used by home users, small/home office users, mobile users, power users, and enterprise users See Page 2 for Detailed Objectives Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
4.
4 Todayās Technology ā¢ Because
technology changes, you must keep up with the changes to remain digitally literate ā¢ Digital literacy involves having a current knowledge and understanding of computers, mobile devices, the web, and related technologies Pages 2 - 3 Figure 1-1 Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
5.
5 Computers ā¢ A computer
is an electronic device, operating under the control of instructions stored in its own memory Page 4 Accepts data (input) Processing Produces information (output) Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
6.
6 Computers ā¢ Laptop ā¢ Tablet ā¢
Desktop and All-in-One ā¢ Server Pages 4 and 6 Figures 1-2 ā 1-5 Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
7.
7 Mobile and Game
Devices Smartphone Digital camera Portable and digital media player E-book reader Wearable device Game device Pages 7 - 10 Figures 1-6 ā 1-11 Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
8.
8 Data and Information Page
12 Figure 1-12 Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
9.
9 Data and Information ā¢
A keyboard contains keys you press to enter data and instructions into a computer or mobile device Page 13 Figure 1-13 Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
10.
10 Data and Information ā¢
A pointing device is an input device that allows a user to control a small symbol on the screen called the pointer ā¢ Some mobile devices and computers enable you to speak data instructions using voice input and to capture live full-motion images using video input Pages 13 ā 14 Figures 1-14 ā 1-15 Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
11.
11 Data and Information ā¢
A scanner is a light-sensing input device that converts printed text and images into a form the computer can process Page 14 Figure 1-16 Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
12.
12 Data and Information ā¢
An output device is any hardware component that conveys information from a computer or mobile device to one or more people ā¢ A printer is an output device that produces text and graphics on a physical medium, such as paper or other material ā A 3-D printer can print solid objects, such as clothing, prosthetics, eyewear, implants, toys, parts, prototypes, and more Pages 14 - 15 Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
13.
13 Data and Information Page
15 Figure 1-17 Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
14.
14 Data and Information ā¢
A display is an output device that visually conveys text, graphics, and video information Page 15 Figure 1-18 Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
15.
15 Data and Information ā¢
Speakers allow you to hear audio such as music, voice, and other sounds ā Earbuds ā Headphones Page 16 Figure 1-19 Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
16.
16 Data and Information Memory
consists of electronic components that store instructions waiting to be executed and the data needed by those instructions A computer keeps data, instructions, and information on storage media A storage device records (writes) and/or retrieves (reads) items to and from storage media Pages 16 - 17 Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
17.
17 Data and Information Hard
Disk Solid-State Drive USB Flash Drive Memory Card Optical Disc Cloud Storage Pages 17 ā 19 Figures 1-20 ā 1-26 Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
18.
18 The Web ā¢ The
Internet is a worldwide collection of computer networks that connects millions of businesses, government agencies, educational institutions, and individuals Page 20 Figure 1-27 Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
19.
19 The Web The World
Wide Web (or web, for short) is a global library of information available to anyone connected to the Internet The web consists of a worldwide collection of electronic documents, each of which is called a webpage A website is a collection of related webpages A web server is a computer that delivers requested webpages to your computer Pages 20 ā 21 Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
20.
20 The Web Page 19 Figure
1-26 Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
21.
21 The Web ā¢ A
browser is software that enables users with an Internet connection to access and view webpages on a computer or mobile device Page 21 Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
22.
22 The Web ā¢ A
search engine is software that finds websites, webpages, images, videos, news, maps, and other information related to a specific topic Page 22 Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
23.
23 The Web ā¢ An
online social network encourages members to share their interests, ideas, stories, photos, music, and videos with other registered users Page 23 Figure 1-29 Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
24.
24 Digital Safety and
Security ā¢ It is important that users protect their computers and mobile devices Pages 24 - 26 Viruses and Other Malware Privacy Health Concerns Environmental Issues Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
25.
25 Digital Safety and
Security ā¢ Green computing involves reducing the electricity consumed and environmental waste generated when using a computer ā¢ Strategies include: ā Recycling ā Using energy efficient hardware and energy saving features ā Regulating manufacturing processes ā Extending the life of computers ā Immediately donating or properly disposing of replaced computers Page 26 Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
26.
26 Programs and Apps ā¢
Software, also called a program, tells the computer what tasks to perform and how to perform them Pages 26 - 27 Figure 1-30 System Software ā¢ Operating system ā¢ Tools Applications Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
27.
27 Programs and Apps ā¢
Installing a program is the process of setting up the program to work with the computer, mobile device, printer, and/or other hardware ā¢ Once installed, you can run a program so that you can interact with it ā¢ You interact with a program through its user interface Pages 28 - 29 Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
28.
28 Programs and Apps ā¢
A software developer, sometimes called a developer or programmer, is someone who develops programs and apps or writes the instructions that direct the computer or mobile device to process data into information Pages 29 - 30 Figure 1-31 Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
29.
29 Communications and Networks ā¢
In the course of a day, it is likely you use, or use information generated by, one or more of these communications technologies Pages 30 - 31 Chat rooms Email Fax FTP GPS Instant messaging Internet Newsgroups RSS Videoconference Voice mail VoIP Wireless Internet access points Wireless messaging services Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
30.
30 Communications and Networks ā¢
A communications device is hardware capable of transferring items from computers and devices to transmission media and vice versa Page 31 Figure 1-32 Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
31.
31 Communications and Networks ā¢
Examples of wireless communications technologies include: Pages 31 - 32 Wi-Fi Bluetooth Cellular radio Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
32.
32 Communications and Networks ā¢
A network is a collection of computers and devices connected together, often wirelessly, via communications devices and transmission media Page 32 Figure 1-33 Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
33.
33 Communications and Networks Home
Networks ā¢ Connect to the Internet ā¢ Share a single high-speed Internet connection ā¢ Access photos, music, videos, and other content ā¢ Share devices ā¢ Play multiplayer games ā¢ Connect game consoles to the Internet ā¢ Subscribe to and use VoIP ā¢ Interact with other devices in a smart home Business Networks ā¢ Facilitate communications ā¢ Share hardware ā¢ Share data, information, and software Page 33 Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
34.
34 Technology Uses Education Government
Finance Retail Entertainment Health Care Science Travel Publishing Manufacturing Pages 35 - 41 Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
35.
35 Technology Users Home User
Small/Home Office User Mobile User Power User Enterprise User Pages 41 - 42 Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
36.
36 Chapter Summary Basic computer concepts Various
methods for input, output, memory, and storage The Internet Digital security and safety risks and precautions Uses of technology applications in society Page 43 Ā© 2016 Cengage LearningĀ®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
37.
Chapter 1 Introducing Todayās Technologies Discovering Computers
2016 Tools, Apps, Devices, and the Impact of Technology Chapter 1 Complete
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