Discovering Computers Enhanced Edition Chapter 1 | Introduction PDF

Summary

This document looks at Discovering Computers Enhanced Edition © 2017, which discusses today's technologies. The document covers topics such as digital literacy, computers, mobile and game devices. It is suitable for high school aged students.

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Discovering Computers Enhanced Edition ©2017 Tools, Apps, Devices, and the Impact of Technology Chapter 1 Introducing Today’s Technologies Objectives Overview Describe the purpose and uses of...

Discovering Computers Enhanced Edition ©2017 Tools, Apps, Devices, and the Impact of Technology Chapter 1 Introducing Today’s Technologies Objectives Overview Describe the purpose and uses of smartphones, digital Differentiate among Describe the cameras, portable and laptops, tablets, relationship between digital media players, desktops, and servers data and information e-book readers, wearable devices, and game devices Differentiate the web from the Internet, and Explain the purpose of describe the Briefly explain various a browser, a search relationship among input options engine, and an online the web, webpages, social network websites, and web servers © 2017 Cengage Learning®. May not be See Page 2 2 scanned, copied or duplicated, or posted to a for Detailed Objectives publicly accessible website, in whole or in part. Objectives Overview Briefly describe digital Differentiate between security risks wired and wireless associated with Differentiate between technologies, and viruses and other an operating system identify reasons malware, privacy, and applications individuals and your health, and the businesses use environment networks Discuss how society uses technology in Identify technology education, used by home users, government, finance, small/home office retail, entertainment, users, mobile users, health care, science, power users, and travel, publishing, and enterprise users manufacturing © 2017 Cengage Learning®. May not be See Page 2 3 scanned, copied or duplicated, or posted to a for Detailed Objectives publicly accessible website, in whole or in part. Today’s Technology Because technology changes, you must keep up with the changes to remain digitally literate Digital literacy involves having a current knowledge and understanding of computers, mobile devices, the web, and related technologies © 2017 Cengage Learning®. May not be Pages 2 - 3 scanned, copied or duplicated, or posted to a 4 Figure 1-1 publicly accessible website, in whole or in part. Computers A computer is an electronic device, operating under the control of instructions stored in its own memory Produces Accepts Processin informati data g on (input) (output) © 2017 Cengage Learning®. May not be Page 4 scanned, copied or duplicated, or posted to a 5 publicly accessible website, in whole or in part. Computers Laptop Tablet Desktop and All-in-One Server © 2017 Cengage Learning®. May not be Pages 4 and 6 6 scanned, copied or duplicated, or posted to a Figures 1-2 – 1-5 publicly accessible website, in whole or in part. Mobile and Game Devices Smartphone Digital camera Portable and digital media player E-book reader Wearable device Game device © 2017 Cengage Learning®. May not be Pages 7 - 10 7 scanned, copied or duplicated, or posted to a Figures 1-6 – 1-11 publicly accessible website, in whole or in part. Data and Information © 2017 Cengage Learning®. May not be Page 12 8 scanned, copied or duplicated, or posted to a Figure 1-12 publicly accessible website, in whole or in part. Data and Information A keyboard contains keys you press to enter data and instructions into a computer or mobile device Page 13 © 2017 Cengage Learning®. May not be scanned, copied 9 Figure 1-13 or duplicated, or posted to a publicly accessible website, in Data and Information A pointing device is an input device that allows a user to control a small symbol on the screen called the pointer 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 – 14 © 2017 Cengage Learning®. May not be scanned, copied 10 Figures 1-14 – 1-15 or duplicated, or posted to a publicly accessible website, in Data and Information A scanner is a light-sensing input device that converts printed text and images into a form the computer can process Page 14 © 2017 Cengage Learning®. May not be scanned, copied 11 Figure 1-16 or duplicated, or posted to a publicly accessible website, in Data and Information An output device is any hardware component that conveys information from a computer or mobile device to one or more people A printer is an output device that produces text and graphics on a physical medium, such as paper or other material A 3-D printer can print solid objects, such as clothing, prosthetics, eyewear, implants, toys, Pages 14 - 15 parts, prototypes,or posted to aand publiclymore © 2017 Cengage Learning®. May not be scanned, copied or duplicated, accessible website, in 12 Data and Information Page 15 © 2017 Cengage Learning®. May not be scanned, copied 13 Figure 1-17 or duplicated, or posted to a publicly accessible website, in Data and Information A display is an output device that visually conveys text, graphics, and video information Page 15 © 2017 Cengage Learning®. May not be scanned, copied 14 Figure 1-18 or duplicated, or posted to a publicly accessible website, in Data and Information Speakers allow you to hear audio such as music, voice, and other sounds –Earbuds –Headphones Page 16 © 2017 Cengage Learning®. May not be scanned, copied 15 Figure 1-19 or duplicated, or posted to a publicly accessible website, in 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 © 2017 Cengage Learning®. May not be scanned, copied 16 or duplicated, or posted to a publicly accessible website, in Data and Information Hard Disk Solid-State USB Flash Drive Drive Memory Optical Disc Cloud Card Storage Pages 17 – 19 © 2017 Cengage Learning®. May not be scanned, copied 17 Figures 1-20 – 1-26 or duplicated, or posted to a publicly accessible website, in The Web The Internet is a worldwide collection of computer networks that connects millions of businesses, government agencies, educational institutions, and individuals © 2017 Cengage Learning®. May not be Page 20 18 scanned, copied or duplicated, or posted to a Figure 1-27 publicly accessible website, in whole or in part. 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 – 21 © 2017 Cengage Learning®. May not be scanned, copied 19 or duplicated, or posted to a publicly accessible website, in The Web Page 19 © 2017 Cengage Learning®. May not be scanned, copied 20 Figure 1-26 or duplicated, or posted to a publicly accessible website, in The Web A browser is software that enables users with an Internet connection to access and view webpages on a computer or mobile device Page 21 © 2017 Cengage Learning®. May not be scanned, copied 21 or duplicated, or posted to a publicly accessible website, in The Web A search engine is software that finds websites, webpages, images, videos, news, maps, and other information related to a specific topic Page 22 © 2017 Cengage Learning®. May not be scanned, copied 22 or duplicated, or posted to a publicly accessible website, in The Web An online social network encourages members to share their interests, ideas, stories, photos, music, and videos with other registered users © 2017 Cengage Learning®. May not be Page 23 23 scanned, copied or duplicated, or posted to a Figure 1-29 publicly accessible website, in whole or in part. Digital Safety and Security It is important that users protect their computers and mobile devices Viruses and Other Privacy Malware Health Environmen Concerns tal Issues Pages 24 - 26 © 2017 Cengage Learning®. May not be scanned, copied 24 or duplicated, or posted to a publicly accessible website, in Digital Safety and Security Green computing involves reducing the electricity consumed and environmental waste generated when using a computer Strategies include: Recycling Using energy efficient hardware and energy saving features Regulating manufacturing processes Extending the life of computers Immediately donating or properly disposing of replaced computers © 2017 Cengage Learning®. May not be Page 26 scanned, copied or duplicated, or posted to a 25 publicly accessible website, in whole or in part. Programs and Apps Software, also called a program, tells the computer what tasks to perform and how to perform them System Software Operating system Tools Applications © 2017 Cengage Learning®. May not be Pages 26 - 27 26 scanned, copied or duplicated, or posted to a Figure 1-30 publicly accessible website, in whole or in part. Programs and Apps Installing a program is the process of setting up the program to work with the computer, mobile device, printer, and/or other hardware Once installed, you can run a program so that you can interact with it You interact with a program through its user interface © 2017 Cengage Learning®. May not be Pages 28 - 29 scanned, copied or duplicated, or posted to a 27 publicly accessible website, in whole or in part. Programs and Apps 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 © 2017 Cengage Learning®. May not be Pages 29 - 30 scanned, copied or duplicated, or posted to a 28 Figure 1-31 publicly accessible website, in whole or in part. Communications and Networks In the course of a day, it is likely you use, or use information generated by, one or more of these communications technologies Chat rooms Email Fax FTP GPS Instant Videoconfere Internet Newsgroups RSS messaging nce Wireless Wireless Voice mail VoIP Internet messaging access points services Pages 30 - 31 © 2017 Cengage Learning®. May not be scanned, copied 29 or duplicated, or posted to a publicly accessible website, in Communications and Networks Activity: Select any 5 communication technologies from previous slide and mention the applications that you have used related to those technologies. © 2017 Cengage Learning®. May not be scanned, copied 30 or duplicated, or posted to a publicly accessible website, in Communications and Networks A communications device is hardware capable of transferring items from computers and devices to transmission media and vice versa Page 31 © 2017 Cengage Learning®. May not be scanned, copied 31 Figure 1-32 or duplicated, or posted to a publicly accessible website, in Communications and Networks Examples of wireless communications technologies include: Wi-Fi Bluetooth Cellular radio Pages 31 - 32 © 2017 Cengage Learning®. May not be scanned, copied 32 or duplicated, or posted to a publicly accessible website, in Communications and Networks A network is a collection of computers and devices connected together, often wirelessly, via communications devices and transmission media Page 32 © 2017 Cengage Learning®. May not be scanned, copied 33 Figure 1-33 or duplicated, or posted to a publicly accessible website, in Communications and Networks Home Networks Business Networks Connect to the Internet Facilitate communications Share a single high-speed Share hardware Internet connection Share data, information, Access photos, music, and software videos, and other content Share devices Play multiplayer games Connect game consoles to the Internet Subscribe to and use VoIP Interact with other devices in a smart home Page 33 © 2017 Cengage Learning®. May not be scanned, copied 34 or duplicated, or posted to a publicly accessible website, in Technology Uses Governmen Education Finance Retail t Entertainm Health Care Science Travel ent Manufacturi Publishing ng © 2017 Cengage Learning®. May not be Pages 35 - 41 scanned, copied or duplicated, or posted to a 35 publicly accessible website, in whole or in part. Communications and Networks Activity: Select any 3 areas from previous slide and briefly describe how the technology is being used in these areas. © 2017 Cengage Learning®. May not be scanned, copied 36 or duplicated, or posted to a publicly accessible website, in Communications and Networks Video: Technology by 2030 © 2017 Cengage Learning®. May not be scanned, copied 37 or duplicated, or posted to a publicly accessible website, in Technology Users Home User Small/Home Mobile User Office User Power User Enterprise User © 2017 Cengage Learning®. May not be Pages 41 - 42 scanned, copied or duplicated, or posted to a 38 publicly accessible website, in whole or in part. Chapter Summary Various Basic methods for computer input, output, The Internet concepts memory, and storage Digital security Uses of and safety technology risks and applications in precautions society © 2017 Cengage Learning®. May not be Page 43 scanned, copied or duplicated, or posted to a 39 publicly accessible website, in whole or in part. Discovering Computers Enhanced Edition ©2017 Tools, Apps, Devices, and the Impact of Technology Chapter 1 Introducing Today’s Technologies Chapter 1 Complete