KEMBAR78
Intro to computers ch 1 | PPTX
Discovering Computers
    Fundamentals,
     2011 Edition
  Living in a Digital World
Objectives Overview


                                                                                        Discuss the advantages
 Explain why computer                         Describe the five                         and disadvantages that
   literacy is vital to                       components of a                           users experience when
success in today's world                         computer                                    working with
                                                                                              computers


                          Discuss the uses of the                Distinguish between
                            Internet and World                   system software and
                                Wide Web                         application software



See Page 1                           Discovering Computers Fundamentals, 2011 Edition                        2
for Detailed Objectives                                 Chapter 1
Objectives Overview

                                                            Explain how home
                                                         users, small office/home
           Differentiate among types,
                                                            office users, mobile
             sizes, and functions of
                                                         users, power users, and
           computers 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                 Discovering Computers Fundamentals, 2011 Edition         3
for Detailed Objectives                       Chapter 1
A World of Computers

• Computers are everywhere




Pages 2 - 3    Discovering Computers Fundamentals, 2011 Edition   4
Figure 1-1                        Chapter 1
What Is a Computer?

• A computer is an electronic device, operating
  under the control of instructions stored in its own
  memory

               Collects                                 Produces
                 data            Processing           information
               (input)                                  (output)




                    Information Processing Cycle

Pages 3 - 4       Discovering Computers Fundamentals, 2011 Edition   5
                                     Chapter 1
What Is a Computer?




Page 4       Discovering Computers Fundamentals, 2011 Edition   6
Figure 1-2                      Chapter 1
The Components of a Computer

• A computer contains many electric, electronic, and
  mechanical components known as hardware
      Input Device   • Allows you to enter data and instructions into a computer


     Output Device   • Hardware component that conveys information to one or more people


                     • Case that contains the electronic components of the computer that
       System Unit     are used to process data


    Storage Device   • Holds data, instructions, and information for future use


  Communications     • Enables a computer to send and receive data, instructions, and
     Device            information to and from one or more computers or mobile devices

Pages 4 - 7               Discovering Computers Fundamentals, 2011 Edition                 7
                                             Chapter 1
The Components of a Computer




Page 5       Discovering Computers Fundamentals, 2011 Edition   8
Figure 1-3                      Chapter 1
Advantages and Disadvantages
of Using Computers
          Advantages of                                      Disadvantages of
         Using Computers                                     Using Computers

             Speed                                        Violation of Privacy

           Reliability                                           Public Safety

          Consistency                                   Impact on Labor Force

            Storage                                               Health Risks

         Communications                                  Impact on Environment

Page 7                Discovering Computers Fundamentals, 2011 Edition           9
                                         Chapter 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


             Click to view Web Link,
             click Chapter 1, Click Web
             Link from left navigation,
             then click Green Computing
             below Chapter 1
Page 7                                    Discovering Computers Fundamentals, 2011 Edition   10
                                                             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



         Click to view Web Link,
         click Chapter 1, Click Web
         Link from left navigation,
         then click The Internet
         below Chapter 1
Page 8                                Discovering Computers Fundamentals, 2011 Edition   11
                                                         Chapter 1
Networks and the Internet




Page 8       Discovering Computers Fundamentals, 2011 Edition   12
Figure 1-6                      Chapter 1
Networks and the Internet

• People use the Internet for a variety of reasons:



   Communicate          Research and                  Shop                 Bank and Invest       Online Trading
                      Access Information




              Entertainment      Share Information           Download Videos          Web Application



Pages 8 - 9                       Discovering Computers Fundamentals, 2011 Edition                                13
Figure 1-7                                           Chapter 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               Discovering Computers Fundamentals, 2011 Edition   14
                                         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
             Click to view Web Link,
             click Chapter 1, Click Web
             Link from left navigation,
             then click Windows
             below Chapter 1
Pages 11 - 12                             Discovering Computers Fundamentals, 2011 Edition   15
Figures 1-8 - 1-9                                            Chapter 1
Computer Software

• Installing is the process of setting up software to
  work with the computer, printer, and other
  hardware




Pages 12 - 13    Discovering Computers Fundamentals, 2011 Edition   16
Figure 1-10                         Chapter 1
Computer Software

• A programmer develops software or writes the
  instructions that direct the computer to process
  data into information




Page 13          Discovering Computers Fundamentals, 2011 Edition   17
Figure 1-11                         Chapter 1
Categories of Computers
                          Personal computers


                Mobile computers and mobile devices


                             Game consoles


                                  Servers


                               Mainframes


                            Supercomputers


                         Embedded computers

Pages 14 - 15   Discovering Computers Fundamentals, 2011 Edition   18
                                   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         Discovering Computers Fundamentals, 2011 Edition   19
Figures 1-13 - 1-14                      Chapter 1
Mobile Computers and Mobile Devices


    Mobile                                                 Mobile
   Computer                                                Device
                Personal computer you                                         Computing device small
                can carry from place to                                       enough to hold in your
                place                                                         hand




                Examples include                                              Examples include smart
                notebook computers,                                           phones, PDAs, handheld
                laptop computers,                                             computers, portable
                netbooks, and Tablet                                          media players, and
                PCs                                                           digital cameras


Pages 16 - 18              Discovering Computers Fundamentals, 2011 Edition                            20
                                              Chapter 1
Mobile Computers and Mobile Devices

                      Notebook computer

                                    Tablet PC

                              Smart phone

                                             PDA
Pages 16 - 17         Discovering Computers Fundamentals, 2011 Edition   21
Figures 1-15 – 1-18                      Chapter 1
Mobile Computers and Mobile Devices

                                          Handheld computer

                                          Portable media player

                                                 Digital camera
             Click to view Web Link,
             click Chapter 1, Click Web
             Link from left navigation,
             then click Digital Cameras
             below Chapter 1
Pages 17 - 18                              Discovering Computers Fundamentals, 2011 Edition   22
Figures 1-19 – 1-20                                           Chapter 1
Game Consoles

• A game console is a mobile computing device
  designed for single-player or multiplayer video
  games




Page 18          Discovering Computers Fundamentals, 2011 Edition   23
Figure 1-21                         Chapter 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                Discovering Computers Fundamentals, 2011 Edition   24
Figure 1-22                               Chapter 1
Mainframes

• A mainframe is a large, expensive, powerful
  computer that can handle hundreds or thousands
  of connected users simultaneously




Page 19        Discovering Computers Fundamentals, 2011 Edition   25
Figure 1-23                       Chapter 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                Discovering Computers Fundamentals, 2011 Edition   26
Figure 1-24                               Chapter 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         Discovering Computers Fundamentals, 2011 Edition   27
                                   Chapter 1
Embedded Computers




Page 20       Discovering Computers Fundamentals, 2011 Edition   28
Figure 1-25                      Chapter 1
Examples of Computer Usage




     Home User                               Small Office/Home                            Mobile User
     • Personal financial management         Office User                                  • Connect to other computers on
     • Web access                            • Look up information                          a network or the Internet
     • Communications                        • Send and receive e-mail                    • Transfer information
     • Entertainment                           messages                                   • Play video games
                                             • Make telephone calls                       • Listen to music
                                                                                          • Watch movies




Pages 20 – 23                          Discovering Computers Fundamentals, 2011 Edition                                     29
Figures 1-26 – 1-28                                       Chapter 1
Examples of Computer Usage




                               Power User                            Enterprise User
                               • Work with multimedia                • Communicate among
                               • Use industry-specific                 employees
                                 software                            • Process high volumes
                                                                       of transactions
                                                                     • Blog

            Click to view Web Link,
            click Chapter 1, Click Web
            Link from left navigation,
            then click Enterprise
            Computing below Chapter 1
Pages 23 – 24                            Discovering Computers Fundamentals, 2011 Edition     30
Figures 1-29 – 1-30                                         Chapter 1
Computer Applications in Society

                      Education
                      Finance
                      Government
                      Health Care
Pages 24 -26             Discovering Computers Fundamentals, 2011 Edition   31
Figures 1-31 – 1-34                         Chapter 1
Computer Applications in Society

                      Science
                      Publishing
                      Travel
                      Manufacturing
Pages 26-27              Discovering Computers Fundamentals, 2011 Edition   32
Figures 1-35 – 1-38                         Chapter 1
Video: Computer History in a Barn




                         CLICK TO START

            Discovering Computers Fundamentals, 2011 Edition   33
                               Chapter 1
Summary


             Basic computer                               Components of a
                concepts                                     computer



                                                        Many different
                                                         categories of
          Networks, the Internet,
                                                     computers, computer
          and computer software
                                                      users, and computer
                                                     applications in society
Page 28                 Discovering Computers Fundamentals, 2011 Edition       34
                                           Chapter 1
Discovering Computers
    Fundamentals,
     2011 Edition
  Living in a Digital World


     Chapter 1 Complete

Intro to computers ch 1

  • 1.
    Discovering Computers Fundamentals, 2011 Edition Living in a Digital World
  • 2.
    Objectives Overview Discuss the advantages Explain why computer Describe the five and disadvantages that literacy is vital to components of a users experience when success in today's world computer working with computers Discuss the uses of the Distinguish between Internet and World system software and Wide Web application software See Page 1 Discovering Computers Fundamentals, 2011 Edition 2 for Detailed Objectives Chapter 1
  • 3.
    Objectives Overview Explain how home users, small office/home Differentiate among types, office users, mobile sizes, and functions of users, power users, and computers 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 Discovering Computers Fundamentals, 2011 Edition 3 for Detailed Objectives Chapter 1
  • 4.
    A World ofComputers • Computers are everywhere Pages 2 - 3 Discovering Computers Fundamentals, 2011 Edition 4 Figure 1-1 Chapter 1
  • 5.
    What Is aComputer? • A computer is an electronic device, operating under the control of instructions stored in its own memory Collects Produces data Processing information (input) (output) Information Processing Cycle Pages 3 - 4 Discovering Computers Fundamentals, 2011 Edition 5 Chapter 1
  • 6.
    What Is aComputer? Page 4 Discovering Computers Fundamentals, 2011 Edition 6 Figure 1-2 Chapter 1
  • 7.
    The Components ofa Computer • A computer contains many electric, electronic, and mechanical components known as hardware Input Device • Allows you to enter data and instructions into a computer Output Device • Hardware component that conveys information to one or more people • Case that contains the electronic components of the computer that System Unit are used to process data Storage Device • Holds data, instructions, and information for future use Communications • Enables a computer to send and receive data, instructions, and Device information to and from one or more computers or mobile devices Pages 4 - 7 Discovering Computers Fundamentals, 2011 Edition 7 Chapter 1
  • 8.
    The Components ofa Computer Page 5 Discovering Computers Fundamentals, 2011 Edition 8 Figure 1-3 Chapter 1
  • 9.
    Advantages and Disadvantages ofUsing Computers Advantages of Disadvantages of Using Computers Using Computers Speed Violation of Privacy Reliability Public Safety Consistency Impact on Labor Force Storage Health Risks Communications Impact on Environment Page 7 Discovering Computers Fundamentals, 2011 Edition 9 Chapter 1
  • 10.
    Advantages and Disadvantages ofUsing 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 Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Green Computing below Chapter 1 Page 7 Discovering Computers Fundamentals, 2011 Edition 10 Chapter 1
  • 11.
    Networks and theInternet • 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 Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click The Internet below Chapter 1 Page 8 Discovering Computers Fundamentals, 2011 Edition 11 Chapter 1
  • 12.
    Networks and theInternet Page 8 Discovering Computers Fundamentals, 2011 Edition 12 Figure 1-6 Chapter 1
  • 13.
    Networks and theInternet • People use the Internet for a variety of reasons: Communicate Research and Shop Bank and Invest Online Trading Access Information Entertainment Share Information Download Videos Web Application Pages 8 - 9 Discovering Computers Fundamentals, 2011 Edition 13 Figure 1-7 Chapter 1
  • 14.
    Networks and theInternet • 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 Discovering Computers Fundamentals, 2011 Edition 14 Chapter 1
  • 15.
    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 Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Windows below Chapter 1 Pages 11 - 12 Discovering Computers Fundamentals, 2011 Edition 15 Figures 1-8 - 1-9 Chapter 1
  • 16.
    Computer Software • Installingis the process of setting up software to work with the computer, printer, and other hardware Pages 12 - 13 Discovering Computers Fundamentals, 2011 Edition 16 Figure 1-10 Chapter 1
  • 17.
    Computer Software • Aprogrammer develops software or writes the instructions that direct the computer to process data into information Page 13 Discovering Computers Fundamentals, 2011 Edition 17 Figure 1-11 Chapter 1
  • 18.
    Categories of Computers Personal computers Mobile computers and mobile devices Game consoles Servers Mainframes Supercomputers Embedded computers Pages 14 - 15 Discovering Computers Fundamentals, 2011 Edition 18 Chapter 1
  • 19.
    Personal Computers • Apersonal 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 Discovering Computers Fundamentals, 2011 Edition 19 Figures 1-13 - 1-14 Chapter 1
  • 20.
    Mobile Computers andMobile Devices Mobile Mobile Computer Device Personal computer you Computing device small can carry from place to enough to hold in your place hand Examples include Examples include smart notebook computers, phones, PDAs, handheld laptop computers, computers, portable netbooks, and Tablet media players, and PCs digital cameras Pages 16 - 18 Discovering Computers Fundamentals, 2011 Edition 20 Chapter 1
  • 21.
    Mobile Computers andMobile Devices Notebook computer Tablet PC Smart phone PDA Pages 16 - 17 Discovering Computers Fundamentals, 2011 Edition 21 Figures 1-15 – 1-18 Chapter 1
  • 22.
    Mobile Computers andMobile Devices Handheld computer Portable media player Digital camera Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Digital Cameras below Chapter 1 Pages 17 - 18 Discovering Computers Fundamentals, 2011 Edition 22 Figures 1-19 – 1-20 Chapter 1
  • 23.
    Game Consoles • Agame console is a mobile computing device designed for single-player or multiplayer video games Page 18 Discovering Computers Fundamentals, 2011 Edition 23 Figure 1-21 Chapter 1
  • 24.
    Servers • A servercontrols access to the hardware, software, and other resources on a network – Provides a centralized storage area for programs, data, and information Page 19 Discovering Computers Fundamentals, 2011 Edition 24 Figure 1-22 Chapter 1
  • 25.
    Mainframes • A mainframeis a large, expensive, powerful computer that can handle hundreds or thousands of connected users simultaneously Page 19 Discovering Computers Fundamentals, 2011 Edition 25 Figure 1-23 Chapter 1
  • 26.
    Supercomputers • A supercomputeris the fastest, most powerful computer – Fastest supercomputers are capable of processing more than one quadrillion instructions in a single second Page 19 Discovering Computers Fundamentals, 2011 Edition 26 Figure 1-24 Chapter 1
  • 27.
    Embedded Computers • Anembedded 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 Discovering Computers Fundamentals, 2011 Edition 27 Chapter 1
  • 28.
    Embedded Computers Page 20 Discovering Computers Fundamentals, 2011 Edition 28 Figure 1-25 Chapter 1
  • 29.
    Examples of ComputerUsage Home User Small Office/Home Mobile User • Personal financial management Office User • Connect to other computers on • Web access • Look up information a network or the Internet • Communications • Send and receive e-mail • Transfer information • Entertainment messages • Play video games • Make telephone calls • Listen to music • Watch movies Pages 20 – 23 Discovering Computers Fundamentals, 2011 Edition 29 Figures 1-26 – 1-28 Chapter 1
  • 30.
    Examples of ComputerUsage Power User Enterprise User • Work with multimedia • Communicate among • Use industry-specific employees software • Process high volumes of transactions • Blog Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Enterprise Computing below Chapter 1 Pages 23 – 24 Discovering Computers Fundamentals, 2011 Edition 30 Figures 1-29 – 1-30 Chapter 1
  • 31.
    Computer Applications inSociety Education Finance Government Health Care Pages 24 -26 Discovering Computers Fundamentals, 2011 Edition 31 Figures 1-31 – 1-34 Chapter 1
  • 32.
    Computer Applications inSociety Science Publishing Travel Manufacturing Pages 26-27 Discovering Computers Fundamentals, 2011 Edition 32 Figures 1-35 – 1-38 Chapter 1
  • 33.
    Video: Computer Historyin a Barn CLICK TO START Discovering Computers Fundamentals, 2011 Edition 33 Chapter 1
  • 34.
    Summary Basic computer Components of a concepts computer Many different categories of Networks, the Internet, computers, computer and computer software users, and computer applications in society Page 28 Discovering Computers Fundamentals, 2011 Edition 34 Chapter 1
  • 35.
    Discovering Computers Fundamentals, 2011 Edition Living in a Digital World Chapter 1 Complete