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  • 1. Business Software
    • A software suite is a collection of individual programs available together as a unit
    • A personal information manager ( PIM ) is application software that includes
    • Page 118
    Discovering Computers Fundamentals, 2011 Edition Chapter 3
  • 2. Business Software
    • Pages 118 - 119
    • Figures 3-12 – 3-14
    Discovering Computers Fundamentals, 2011 Edition Chapter 3
  • 3. Business Software
    • Enterprises typically require special computing solutions for various functional units
    • Page 119
    Discovering Computers Fundamentals, 2011 Edition Chapter 3
  • 4. Graphics and Multimedia Software
    • Page 120
    • Figure 3-15
    Discovering Computers Fundamentals, 2011 Edition Chapter 3 Click to view Web Link, click Chapter 3, Click Web Link from left navigation, then click Graphics Software below Chapter 3
  • 5. Graphics and Multimedia Software
    • Page 121
    • Figures 3-16 – 3-18
    Discovering Computers Fundamentals, 2011 Edition Chapter 3
  • 6. Graphics and Multimedia Software
    • Pages 121 - 122
    • Figures 3-19– 3-20
    Discovering Computers Fundamentals, 2011 Edition Chapter 3
  • 7. Video: MediaCell Video Converter Discovering Computers Fundamentals, 2011 Edition Chapter 3 CLICK TO START
  • 8. Graphics and Multimedia Software
    • Web page authoring software helps users of all skill levels create Web pages that include multimedia and interactive content
    • Page 122
    Discovering Computers Fundamentals, 2011 Edition Chapter 3
  • 9. Software for Home, Personal, and Educational Use
    • Pages 124– 125
    • Figures 3-22 – 3-24
    Discovering Computers Fundamentals, 2011 Edition Chapter 3
  • 10. Software for Home, Personal, and Educational Use
    • Pages 125 – 126
    • Figures 3-25 – 3-26
    Discovering Computers Fundamentals, 2011 Edition Chapter 3
  • 11. Software for Home, Personal, and Educational Use
    • Pages 126 - 127
    • Figures 3-27 – 3-29
    Discovering Computers Fundamentals, 2011 Edition Chapter 3
  • 12. Software for Home, Personal, and Educational Use
    • Pages 127 – 128
    • Figures 3-30 – 3-32
    Discovering Computers Fundamentals, 2011 Edition Chapter 3 Click to view Web Link, click Chapter 3, Click Web Link from left navigation, then click Game Software below Chapter 3
  • 13. Web Applications
    • A Web application ( Web app ) is a Web site that allows users to access and interact with software from any computer or device that is connected to the Internet
    • Pages 128 – 129
    • Figure 3-33
    Discovering Computers Fundamentals, 2011 Edition Chapter 3
  • 14. Web Applications
    • Page 129
    • Figure 3-34
    Discovering Computers Fundamentals, 2011 Edition Chapter 3
  • 15. Application Software for Communications
    • Page 130
    • Figure 3-35
    Discovering Computers Fundamentals, 2011 Edition Chapter 3
  • 16. Learning Tools for Application Software
    • Online Help is the electronic equivalent of a user manual
    • You can ask a question or access the Help topics in subject or alphabetical order
    • Page 131
    • Figure 3-36
    Discovering Computers Fundamentals, 2011 Edition Chapter 3
  • 17. Learning Tools for Application Software
    • Web-based training is a type of CBT that uses Internet technology and consists of application software on the Web
    • Distance learning ( DL ) is the delivery of education at one location while the learning takes place at other locations
    • Page 131
    • Figure 3-37
    Discovering Computers Fundamentals, 2011 Edition Chapter 3
  • 18. Summary
    • Page 132
    Discovering Computers Fundamentals, 2011 Edition Chapter 3
  • 19. Chapter 4 The Components of the System Unit
  • 20. Objectives Overview
    • See Page 155
    • for Detailed Objectives
    Discovering Computers Fundamentals, 2011 Edition Chapter 4
  • 21. Objectives Overview
    • See Page 155
    • for Detailed Objectives
    Discovering Computers Fundamentals, 2011 Edition Chapter 4
  • 22. The System Unit
    • The system unit is a case that contains electronic components of the computer used to process data
    • Page 156
    • Figure 4-1
    Discovering Computers Fundamentals, 2011 Edition Chapter 4
  • 23. The System Unit
    • The inside of the system unit on a desktop personal computer includes:
    • Page 157
    • Figure 4-2
    Discovering Computers Fundamentals, 2011 Edition Chapter 4
  • 24. The System Unit
    • The motherboard is the main circuit board of the system unit
      • A computer chip contains integrated circuits
    • Page 158
    • Figure 4-3
    Discovering Computers Fundamentals, 2011 Edition Chapter 4
  • 25. Processor
    • The processor , also called the central processing unit ( CPU ), interprets and carries out the basic instructions that operate a computer
      • Contain a control unit and an arithmetic logic unit (ALU)
    • Page 159
    Discovering Computers Fundamentals, 2011 Edition Chapter 4
  • 26. Processor
    • Page 159
    • Figure 4-4
    Discovering Computers Fundamentals, 2011 Edition Chapter 4 Click to view Web Link, click Chapter 4, Click Web Link from left navigation, then click Multi-Core Processors below Chapter 4
  • 27. Processor
    • The control unit is the component of the processor that directs and coordinates most of the operations in the computer
    • The arithmetic logic unit (ALU) performs arithmetic, comparison, and other operations
    • Pages 159 - 160
    Discovering Computers Fundamentals, 2011 Edition Chapter 4
  • 28. Processor
    • For every instruction, a processor repeats a set of four basic operations, which comprise a machine cycle
    • Page 160
    • Figure 4-5
    Discovering Computers Fundamentals, 2011 Edition Chapter 4
  • 29. Processor
    • Pages 160 - 161
    Discovering Computers Fundamentals, 2011 Edition Chapter 4
  • 30. Data Representation
    • Page 162
    Discovering Computers Fundamentals, 2011 Edition Chapter 4
  • 31. Data Representation
    • A computer circuit represents the 0 or the 1 electronically by the presence or absence of an electrical charge
    • Eight bits grouped together as a unit are called a byte. A byte represents a single character in the computer
    • Page 162
    • Figures 4-6 – 4-7
    Discovering Computers Fundamentals, 2011 Edition Chapter 4
  • 32. Data Representation
    • ASCII (American Standard Code for Information Interchange) is the most widely used coding scheme to represent data
    • Page 162
    • Figure 4-8
    Discovering Computers Fundamentals, 2011 Edition Chapter 4
  • 33. Data Representation
    • Page 163
    • Figure 4-9
    Discovering Computers Fundamentals, 2011 Edition Chapter 4
  • 34. Memory
    • Memory consists of electronic components that store instructions waiting to be executed by the processor, data needed by those instructions, and the results of processing the data
    • Stores three basic categories of items:
    • Page 163
    Discovering Computers Fundamentals, 2011 Edition Chapter 4
  • 35. Memory
    • Each location in memory has an address
    • Memory size is measured in kilobytes ( KB or K ), megabytes ( MB ), gigabytes ( GB ), or terabytes ( TB )
    • Page 164
    • Figure 4-11
    Discovering Computers Fundamentals, 2011 Edition Chapter 4
  • 36. Memory
    • The system unit contains two types of memory:
    • Pages 164 - 165
    Discovering Computers Fundamentals, 2011 Edition Chapter 4
  • 37. Memory
    • Page 165
    • Figure 4-12
    Discovering Computers Fundamentals, 2011 Edition Chapter 4
  • 38. Memory
    • Three basic types of RAM chips exist:
    • Page 166
    Discovering Computers Fundamentals, 2011 Edition Chapter 4 Click to view Web Link, click Chapter 4, Click Web Link from left navigation, then click RAM below Chapter 4
  • 39. Memory
    • RAM chips usually reside on a memory module and are inserted into memory slots
    • Page 166
    • Figure 4-13
    Discovering Computers Fundamentals, 2011 Edition Chapter 4
  • 40. Memory
    • The amount of RAM necessary in a computer often depends on the types of software you plan to use
    • Memory cache speeds the processes of the computer because it stores frequently used instructions and data
    • Pages 166 - 167
    Discovering Computers Fundamentals, 2011 Edition Chapter 4
  • 41. Memory
    • Page 167
    Discovering Computers Fundamentals, 2011 Edition Chapter 4 Click to view Web Link, click Chapter 4, Click Web Link from left navigation, then click ROM below Chapter 4
  • 42. Memory
    • Flash memory can be erased electronically and rewritten
      • CMOS technology provides high speeds and consumes little power
    • Pages 167 – 168
    • Figure 4-14
    Discovering Computers Fundamentals, 2011 Edition Chapter 4
  • 43. Memory
    • Access time is the amount of time it takes the processor to read from memory
      • Measured in nanoseconds
    • Page 168
    • Figures 4-15 – 4-16
    Discovering Computers Fundamentals, 2011 Edition Chapter 4
  • 44. Memory
    • End for today
    • We will cover the rest at the nextweek’s class
    • Page 168
    • Figures 4-15 – 4-16
    Discovering Computers Fundamentals, 2011 Edition Chapter 4