Chapter 19

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					Chapter 19
Basics of Computers   pp. 298-311
Chapter 19
      Learning Objectives
      After completing this chapter, you’ll be
      able to:
      1. Describe the parts of a complete
         computer system.

      2. Name the different hardware
         components of a computer.

                                                continued
Introduction to Business, Basics of Computers      Slide 2 of 57
Chapter 19
      Learning Objectives
      After completing this chapter, you’ll be
      able to:
      3. Identify measurements for computer
         memory and storage.

      4. Explain the various software programs
         available to businesses.


Introduction to Business, Basics of Computers    Slide 3 of 57
Chapter 19
      Why It’s Important
      For every kind of business task,
      from accounting to graphic
      design, there is a software
      program available.




Introduction to Business, Basics of Computers   Slide 4 of 57
Chapter 19
      Key Words
      personal digital assistant (PDA)
      scanner
      hardware
      random access memory (RAM)
      byte
      software
                                                continued
Introduction to Business, Basics of Computers      Slide 5 of 57
Chapter 19
      Key Words
      desktop publishing
      spreadsheet program
      database
      groupware




Introduction to Business, Basics of Computers   Slide 6 of 57
Chapter 19
       The Speed of Communication
   Computers have increased the speed
   of communication.
   Businesses can access data, send
   e-mail, or make bank deposits in the
   blink of an eye.


Introduction to Business, Basics of Computers   Slide 7 of 57
Chapter 19
   Figure
    19.1    E-BUSINESS SOFTWARE IS BOOMING

 The market for e-business software is growing by leaps and bounds. Here
 are a few applications that are experiencing an annual compound growth
 rate of 35 percent or more.
 How has e-business influenced business communications?




Introduction to Business, Basics of Computers                   Slide 8 of 57
Chapter 19
                    Types of Computers
   A personal digital assistant (PDA) is
   a hand-held computer you can use as
   an address book, an appointment
   book, and a voice recorder.



Introduction to Business, Basics of Computers   Slide 9 of 57
Chapter 19
                    Types of Computers
   In the workplace, the desktop
   computer can perform countless
   different tasks. It can be used to:
   • Type reports
   • Analyze sales records
   • Prepare taxes
                                                continued
Introduction to Business, Basics of Computers      Slide 10 of 57
Chapter 19
                    Types of Computers
   • Deposit checks
   • Store files
   • Send e-mail



Introduction to Business, Basics of Computers   Slide 11 of 57
Chapter 19
                    Types of Computers
   In large companies, computers are
   linked to each other through either a
   central computer called a mainframe
   or a network computing system.



Introduction to Business, Basics of Computers   Slide 12 of 57
Chapter 19
                    Types of Computers
   A scanner is a device that reads
   images, such as price codes, and
   records or transfers the information.




Introduction to Business, Basics of Computers   Slide 13 of 57
Chapter 19
                    Types of Computers
   Most car repair shops can now tell
   what’s wrong with your car by hooking
   it up to a diagnostic computer.

   Film studios use special computers to
   produce sound and visual effects for
   movies.
Introduction to Business, Basics of Computers   Slide 14 of 57
Chapter 19
         Parts of a Computer System
   A complete computer system consists
   of four parts:
   • Software
   • People
   • Data
   • Hardware
Introduction to Business, Basics of Computers   Slide 15 of 57
Chapter 19
         Parts of a Computer System
   Software is a set of electronic
   information consisting of complex
   codes to make the computer perform
   tasks.



Introduction to Business, Basics of Computers   Slide 16 of 57
Chapter 19
         Parts of a Computer System
   In order to make the computer
   operational, people need to be the
   users.
   Whether you’re designing, building, or
   using a computer, it requires your
   attention.
Introduction to Business, Basics of Computers   Slide 17 of 57
Chapter 19
         Parts of a Computer System
   The computer translates and
   organizes data into comprehensible
   information.
   Data may be letters, sound, graphics,
   or numbers.

Introduction to Business, Basics of Computers   Slide 18 of 57
Chapter 19
         Parts of a Computer System
   The physical components of a
   computer system are called the
   hardware.
   Hardware includes a processor,
   memory, input and output devices, and
   storage devices.
Introduction to Business, Basics of Computers   Slide 19 of 57
Chapter 19
                               Processors
   The processor is the brain of a
   computer.
   It’s located in the central processing
   unit (CPU) of personal computers.


Introduction to Business, Basics of Computers   Slide 20 of 57
Chapter 19
                               Processors
   In a personal computer the processor
   usually consists of chips.
   The data passes through these chips
   to other areas to complete the
   instructions in the computer.

Introduction to Business, Basics of Computers   Slide 21 of 57
Chapter 19
                                   Memory
   The computer uses memory to hold all
   of the data and instructions required
   during operation.




Introduction to Business, Basics of Computers   Slide 22 of 57
Chapter 19
                                   Memory
   The most common type of memory is
   called random access memory, or
   RAM.
   When a computer saves information,
   the first place it goes is to RAM.

Introduction to Business, Basics of Computers   Slide 23 of 57
Chapter 19
                                   Memory
   Memory capacity is measured in
   bytes.

   A byte is the amount of memory it
   takes to store a single character.


Introduction to Business, Basics of Computers   Slide 24 of 57
Chapter 19
                                   Memory
   The most common units of measure-
   ment for computer memory and
   storage are:
             Kilobyte (KB)                      1,000 bytes
             Megabyte (MB)                      1 million bytes
             Gigabyte (GB)                      1 billion bytes
             Terabyte (TB)                      1 trillion bytes
Introduction to Business, Basics of Computers                 Slide 25 of 57
Chapter 19
             Input and Output Devices
   Input devices accept data and
   instructions.

   Output devices return the processed
   data back to the user or to another
   computer system.

Introduction to Business, Basics of Computers   Slide 26 of 57
Chapter 19
                        Storage Devices
   Storage devices, such as hard drives,
   floppy disks, and CD-ROMs, all save
   and hold information.




Introduction to Business, Basics of Computers   Slide 27 of 57
Chapter 19
                        Storage Devices
   Portable storage devices are also
   popular methods to store information,
   since the hard drive is sealed inside
   the computer.



Introduction to Business, Basics of Computers   Slide 28 of 57
Chapter 19
                        Storage Devices
   ZIP disks and CD-ROM’s are widely
   used to store information permanently.
   Small diskettes only three-and-a-half
   inches in diameter can hold hundreds
   of files.

Introduction to Business, Basics of Computers   Slide 29 of 57
    Graphic Organizer
Chapter 19
     Graphic Organizer
     Computer Systems
                                       PROCESSOR




                      STORAGE
                                                   MEMORY
                      DEVICES          SOFTWARE




                                          INPUT/
                                         OUTPUT
                                         DEVICES



Introduction to Business, Basics of Computers               Slide 30 of 57
Chapter 19

            Fast Review

      1. What four parts complete a
         computer system?

      2. The hardware of a computer is
         comprised of four categories. Name
         them.
Introduction to Business, Basics of Computers   Slide 31 of 57
Chapter 19
                     Computer Software
   Software, or a computer program, is a
   set of instructions that tell computers
   what to do.




Introduction to Business, Basics of Computers   Slide 32 of 57
Chapter 19
          Word Processing Programs
   Word processing programs, such as
   Microsoft Word®, are the most
   commonly used type of computer
   software.



Introduction to Business, Basics of Computers   Slide 33 of 57
Chapter 19
          Word Processing Programs
   Word processing programs allow you
   to use your computer like a typewriter
   but with many added features.




Introduction to Business, Basics of Computers   Slide 34 of 57
Chapter 19
          Word Processing Programs
   Desktop publishing consists of
   writing, designing, and laying out
   documents on your computer like a
   professional publisher.



Introduction to Business, Basics of Computers   Slide 35 of 57
Chapter 19
                Spreadsheet Programs
   A spreadsheet program is a
   computerized worksheet.
   Two of the most popular spreadsheet
   programs are Lotus 1-2-3® and Excel®.


Introduction to Business, Basics of Computers   Slide 36 of 57
Chapter 19
   Figure
    19.2    HOW A SPREADSHEET PROGRAM WORKS


                                                A spreadsheet program
                                                is the equivalent to how
                                                an accountant’s
                                                worksheet works.
                                                Programs that automate
                                                bookkeeping tasks show
                                                how to budget and save
                                                money.

                                                How could you use
                                                spreadsheet software?



Introduction to Business, Basics of Computers                  Slide 37 of 57
Chapter 19
                 Accounting Programs
   With an accounting software package,
   you can keep records, prepare reports,
   and even write checks on the
   computer.
   Peachtree® and QuickBooks® are two
   popular accounting programs
Introduction to Business, Basics of Computers   Slide 38 of 57
Chapter 19
                    Database Programs
   A database is a collection of
   information usually kept in a list.




Introduction to Business, Basics of Computers   Slide 39 of 57
Chapter 19
                    Database Programs
   A database can consist of a list of
   names, supplies, products, or
   schedules.
   It can also be used to keep track of
   inventory and sales.


Introduction to Business, Basics of Computers   Slide 40 of 57
Chapter 19
           Graphics and Presentation
                  Programs
   Presentation software is used to
   produce professional presentations.




Introduction to Business, Basics of Computers   Slide 41 of 57
Chapter 19
           Graphics and Presentation
                  Programs
   With graphics and presentation
   programs, you can take data from
   spreadsheets and put it in the form of
   graphs, charts, or figures for visual
   presentations.

Introduction to Business, Basics of Computers   Slide 42 of 57
Chapter 19
           Graphics and Presentation
                  Programs
   Special effects such as shadows,
   backgrounds, and textures can be
   added to presentations to make them
   more interesting.


Introduction to Business, Basics of Computers   Slide 43 of 57
Chapter 19
           Graphics and Presentation
                  Programs
   Sound effects, animation, and video
   clips can be added to make a
   presentation even more effective.



Introduction to Business, Basics of Computers   Slide 44 of 57
Chapter 19
           Graphics and Presentation
                  Programs
   Among the most popular presentation
   and graphics programs are
   PowerPoint® and Harvard Graphics®.



Introduction to Business, Basics of Computers   Slide 45 of 57
Chapter 19
           Communications Software
   Communications software makes it
   possible for computers to
   communicate with each other.
   You need it if you want to send a file to
   another computer.

Introduction to Business, Basics of Computers   Slide 46 of 57
Chapter 19
           Communications Software
   With some programs, you can receive
   faxes and voice mail directly on your
   computer.

   Microsoft Outlook® and Eudora® are
   two popular communication programs.

Introduction to Business, Basics of Computers   Slide 47 of 57
Chapter 19
                               Groupware
   Groupware, or project management
   software, makes it easier for team
   members to work together on the
   same project.



Introduction to Business, Basics of Computers   Slide 48 of 57
Chapter 19
                               Groupware
   Groupware can be used to track costs,
   schedules, resources, and tasks.
   It can also compute the best way to
   complete tasks, manage resources,
   and meet deadlines.

Introduction to Business, Basics of Computers   Slide 49 of 57
Chapter 19
                               Groupware
   Lotus Notes® and Intranet Genie® are
   two of the groupware programs
   available.




Introduction to Business, Basics of Computers   Slide 50 of 57
Chapter 19
                   Web Page Programs
   Web pages make it possible for
   businesses to market their products.

   Macromedia® Dreamweaver and
   SiteRack® are two of the most popular
   Web page programs.

Introduction to Business, Basics of Computers   Slide 51 of 57
Chapter 19

            Fast Review

      1. What can you do with desktop
         publishing?

      2. What kinds of information might be
         kept in a database?
                                                continued
Introduction to Business, Basics of Computers      Slide 52 of 57
Chapter 19

            Fast Review

      3. What are some special effects you
         can produce with presentation
         software?

      4. What kind of software is useful for
         managing team projects?
Introduction to Business, Basics of Computers   Slide 53 of 57
Chapter 19



    What do you use a computer for?
    Have you ever handled a
    computer’s error message?
                                                continued
Introduction to Business, Basics of Computers       Slide 54 of 57
Chapter 19



    Explain how you might
    troubleshoot a computer glitch.
    What do you do to manage
    computer threats?
Introduction to Business, Basics of Computers   Slide 55 of 57
Chapter 19

                            Making an Ethical
                            Decision
      Is someone who uses a cell phone in a public
      place entitled to the same privacy as
      someone who uses it in a workplace?




Introduction to Business, Basics of Computers   Slide 56 of 57
End of Chapter 19
Basics of Computers

				
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