Basic Introduction to Computers PDF

Chapter One Basic Introduction to Computers Discovering Computers Fundamentals Your Interactive Guide to the Digital World Objectives Overview Discuss the Explain why...

Chapter One Basic Introduction to Computers Discovering Computers Fundamentals Your Interactive Guide to the Digital World Objectives Overview Discuss the Explain why advantages and Describe the five computer literacy disadvantages that components of a is vital to success users experience computer in today's world when working with computers Distinguish Discuss the uses of between system the Internet and software and World Wide Web application software See Page 1 2 for Detailed Objectives Discovering Computers Fundamentals, Chapter 1 Objectives Overview Explain how home users, small Differentiate among office/home office types, sizes, and users, mobile users, functions of computers power users, and in each category enterprise users each interact with computers Discuss how society uses computers in education, finance, government, health care, science, publishing, travel, and manufacturing See Page 1 3 for Detailed Objectives Discovering Computers Fundamentals, Chapter 1 A World of Computers Computers are everywhere Pages 2 - 3 4 Discovering Computers Fundamentals, Chapter Figure 1-1 1 What Is a Computer? A computer is an electronic device, operating under the control of instructions stored in its own memory Produces Collects informati data Processing on (input) (output) Information Processing Cycle Pages 3 - 4 Discovering Computers Fundamentals, Chapter 5 1 What Is a Computer? Page 4 6 Discovering Computers Fundamentals, Chapter Figure 1-2 1  tn rs The Components of a n a o u n o h to to u Computer im tf to r c re n ru fto A computer contains many electric, electronic, o ru if td p t s and mechanical components known as n m a n n a o m o hardware ic ri Input Device o o td te fa n h n Output m a n tir Device o o a ifs ftt o y System Unit n a a e id m s v rtn Storage d ro n o n Device e fe c a tn n Communicati io t, e ons Device p a s d m h n o n o to Pages 4 - 7 7 ta Discovering Computers Fundamentals, Chapter c i 1 t The Components of a Computer Page 5 8 Discovering Computers Fundamentals, Chapter Figure 1-3 1 Advantages and Disadvantages of Using Computers Advantages of Disadvantages of Using Computers Using Computers Speed Violation of Privacy Reliability Public Safety Impact on Labor Consistency Force Storage Health Risks Impact on Communications Environment Page 7 Discovering Computers Fundamentals, Chapter 9 1 Advantages and Disadvantages of Using Computers Green computing involves reducing the electricity consumed and environmental waste generated when using a computer Strategies include: – Recycling – Regulating manufacturing processes – Extending the life of computers – Immediately donating or properly disposing of replaced computers Page 7 10 Discovering Computers Fundamentals, Chapter 1 Networks and the Internet A network is a collection of computers and devices connected together, often wirelessly, via communications devices and transmission media The Internet is a worldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individuals Page 8 11 Discovering Computers Fundamentals, Chapter 1 Networks and the Internet Page 8 12 Discovering Computers Fundamentals, Chapter Figure 1-6 1 Networks and the Internet People use the Internet for a variety of reasons: Communicate Research and Shop Bank and Online Access Invest Trading Information Entertainmen Share Download Web t Information Videos Application Pages 8 - 9 13 Discovering Computers Fundamentals, Chapter Figure 1-7 1 Networks and the Internet A social networking Web site encourages members to share their interests, ideas, stories, photos, music, and videos with other registered users – Also called an online social network Page 10 14 Discovering Computers Fundamentals, Chapter 1 Computer Software Software, also called a program, tells the computer what tasks to perform and how to perform them System Software Operating system Utility program Application Software Pages 11 - 12 Discovering Computers Fundamentals, Chapter 15 Figures 1-8 - 1-9 1 Computer Software Installing is the process of setting up software to work with the computer, printer, and other hardware Pages 12 - 13 16 Discovering Computers Fundamentals, Chapter Figure 1-10 1 Computer Software A programmer develops software or writes the instructions that direct the computer to process data into information Page 13 17 Discovering Computers Fundamentals, Chapter Figure 1-11 1 Categories of Computers Personal computers Mobile computers and mobile devices Game consoles Servers Mainframes Supercomputers Embedded computers Pages 14 - 15 18 Discovering Computers Fundamentals, Chapter 1 Personal Computers A personal computer can perform all of its input, processing, output, and storage activities by itself Two popular architectures are the PC and the Apple – Desktop computer Pages 15 - 16 19 Discovering Computers Fundamentals, Chapter Figures 1-13 - 1-14 1 Mobile Computers and Mobile Devices Mobile Mobile Computer Device Personal computer Computing device you can carry from small enough to place to place hold in your hand Examples include Examples include smart phones notebook and, PDAs, e-book computers, readers, laptop handheld computers, computers, netbooks, and portable media Tablet PCs players, and digital cameras Pages 16 - 18 20 Discovering Computers Fundamentals, Chapter 1 Mobile Computers and Mobile Devices Notebook computer Tablet PC Smart phones and PDAs E-book reader Pages 16 - 17 21 Discovering Computers Fundamentals, Chapter Figures 1-15 – 1-18 1 Mobile Computers and Mobile Devices Handheld computer Portable media player Digital camera Pages 17 - 18 22 Discovering Computers Fundamentals, Chapter Figures 1-19 – 1-20 1 Game Consoles A game console is a mobile computing device designed for single-player or multiplayer video games Page 18 23 Discovering Computers Fundamentals, Chapter Figure 1-21 1 Servers A server controls access to the hardware, software, and other resources on a network – Provides a centralized storage area for programs, data, and information Page 19 24 Discovering Computers Fundamentals, Chapter Figure 1-22 1 Mainframes A mainframe is a large, expensive, powerful computer that can handle hundreds or thousands of connected users simultaneously Page 19 25 Discovering Computers Fundamentals, Chapter Figure 1-23 1 Supercomputers A supercomputer is the fastest, most powerful computer – Fastest supercomputers are capable of processing more than one quadrillion instructions in a single second Page 19 26 Discovering Computers Fundamentals, Chapter Figure 1-24 1 Embedded Computers An embedded computer is a special- purpose computer that functions as a component in a larger product Consumer Electronics Home Automation Devices Automobiles Process Controllers and Robotics Computer Devices and Office Machines Page 19 27 Discovering Computers Fundamentals, Chapter 1 Embedded Computers Page 20 28 Discovering Computers Fundamentals, Chapter Figure 1-25 1 Examples of Computer Usage Home User Small Mobile User Personal financial Office/Home Connect to other management Office User computers on a network Web access Look up information or the Internet Communications Transfer information Send and receive e-mail Entertainment Play video games messages Make telephone calls Listen to music Watch movies Pages 20 – 23 29 Discovering Computers Fundamentals, Chapter Figures 1-26 – 1-28 1 Examples of Computer Usage Power User Enterprise User Work with Communicate multimedia among employees Use industry- Process high specific software volumes of transactions Blog Pages 23 – 24 30 Discovering Computers Fundamentals, Chapter Figures 1-29 – 1-30 1 Computer Applications in Society Education Finance Government Health Care Pages 24 -26 31 Discovering Computers Fundamentals, Chapter Figures 1-31 – 1-34 1 Computer Applications in Society Science Publishing Travel Manufacturing Pages 26-27 32 Discovering Computers Fundamentals, Chapter Figures 1-35 – 1-38 1 Summary Basic computer Components of a concepts computer Many different categories of Networks, the computers, Internet, and computer users, computer software and computer applications in society Page 28 33 Discovering Computers Fundamentals, Chapter 1  Chapter One Basic Introduction to Computers Discovering Computers Fundamentals Your Interactive Guide to the Digital World Chapter 1 Complete