Chapter 1 - Introduction to Computer PDF

Chapter 1 Introduction to Computer 1  Introduction to Information Technology...

Chapter 1 Introduction to Computer 1  Introduction to Information Technology Chapter 1 – Introduction to Computer Objectives Overview Describe the purpose and uses of smartphones, digital cameras, Differentiate among laptops, Describe the relationship between portable and digital media players, tablets, desktops, and servers data and information e-book readers, wearable devices, and game devices Differentiate the web from the Internet, and describe the Explain the purpose of a browser, Briefly explain various input relationship among the web, a search engine, and an online options webpages, websites, and web social network servers © BRSBE | 2 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer Objectives Overview ` Briefly describe digital security Differentiate between wired risks associated with viruses Differentiate between an and wireless technologies, and and other malware, privacy, operating system and identify reasons individuals your health, and the applications and businesses use networks environment Discuss how society uses technology in education, Identify technology used by government, finance, retail, home users, small/home office entertainment, health care, users, mobile users, power science, travel, publishing, and users, and enterprise users manufacturing © BRSBE | 3 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer 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 © BRSBE | 4 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer Computers A computer is an electronic device, operating under the control of instructions stored in its own memory Accepts Produces data Processing information (input) (output) © BRSBE | 5 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer Computers Laptop Tablet Desktop and All-in-One Server © BRSBE | 6 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer Mobile and Game Devices Smartphone Digital camera Portable and digital media player E-book reader Wearable device Game device © BRSBE | 7 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer Data and Information © BRSBE | 8 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer Data and Information A keyboard contains keys you press to enter data and instructions into a computer or mobile device © BRSBE | 9 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer 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 © BRSBE | 10 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer Data and Information A scanner is a light-sensing input device that converts printed text and images into a form the computer can process © BRSBE | 11 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer 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, parts, prototypes, and more © BRSBE | 12 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer Data and Information © BRSBE | 13 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer Data and Information A display is an output device that visually conveys text, graphics, and video information © BRSBE | 14 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer Data and Information Speakers allow you to hear audio such as music, voice, and other sounds Earbuds Headphones © BRSBE | 15 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer 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 © BRSBE | 16 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer Data and Information Hard Disk Solid-State USB Flash Drive Memory Card Drive Optical Disc Cloud Storage © BRSBE | 17 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer The Web The Internet is a worldwide collection of computer networks that connects millions of businesses, government agencies, educational institutions, and individuals © BRSBE | 18 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer 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 © BRSBE | 19 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer The Web © BRSBE | 20 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer The Web A browser is software that enables users with an Internet connection to access and view webpages on a computer or mobile device © BRSBE | 21 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer The Web A search engine is software that finds websites, webpages, images, videos, news, maps, and other information related to a specific topic © BRSBE | 22 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer The Web An online social network encourages members to share their interests, ideas, stories, photos, music, and videos with other registered users © BRSBE | 23 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer Digital Safety and Security It is important that users protect their computers and mobile devices Viruses and Other Privacy Malware Health Environmental Concerns Issues © BRSBE | 24 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer 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 © BRSBE | 25 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer 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 © BRSBE | 26 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer 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 © BRSBE | 27 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer 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 © BRSBE | 28 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer 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 Video Internet Newsgroups RSS messaging conference Wireless Wireless Voice mail VoIP Internet access messaging points services © BRSBE | 29 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer Communications and Networks A communications device is hardware capable of transferring items from computers and devices to transmission media and vice versa © BRSBE | 30 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer Communications and Networks Examples of wireless communications technologies include: Wi-Fi Bluetooth Cellular radio © BRSBE | 31 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer Communications and Networks A network is a collection of computers and devices connected together, often wirelessly, via communications devices and transmission media © BRSBE | 32 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer Communications and Networks Home Networks Business Networks Connect to the Internet Facilitate communications Share a single high-speed Internet Share hardware connection Share data, information, and software Access photos, music, 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 © BRSBE | 33 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer Technology Uses Education Government Finance Retail Entertainment Health Care Science Travel Publishing Manufacturing © BRSBE | 34 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer Technology Users Home User Small/Home Mobile User Power User Office User Enterprise User © BRSBE | 35 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.  Introduction to Information Technology Chapter 1 – Introduction to Computer Chapter Summary Various methods Basic computer for input, output, The Internet concepts memory, and storage Digital security Uses of technology and safety risks applications in and precautions society © BRSBE | 36 © 2016 Cengage Learning®. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.