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Chapter 1. Introducing Hardware. You Will Learn…. That a computer requires both hardware and software to work About the many different hardware components inside and connected to a computer. Hardware Needs Software to Work. Hardware Physical components of a computer

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Chapter 1


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    1. Chapter 1 Introducing Hardware

    2. You Will Learn… • That a computer requires both hardware and software to work • About the many different hardware components inside and connected to a computer A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    3. Hardware Needs Software to Work • Hardware • Physical components of a computer • Visible part of a system • Software • Set of instructions that directs hardware to accomplish a task • The intelligence A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    4. Functions of a Computer A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    5. Binary Communication Between Hardware and Software A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    6. Binary Number System A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    7. PC Hardware Components • Outside computer case: input/output devices • Inside the case: processing and storage • CPU – most important component • Requirements of a hardware device • Method for CPU to communicate with it • Software to instruct and control it • Electricity to power it A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    8. Hardware Used for Input and Output • Connects to computer case by ports (eg, serial, parallel, USB, game, keyboard, mouse) • Popular input devices: • Keyboard • Mouse • Popular output devices: • Monitor • Printer A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    9. Ports A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    10. Input Devices A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    11. Output Devices A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    12. Hardware Inside the Case A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    13. Processing CPU (most important) Chip set Temporary storage RAM Cache memory Electrical system Power supply connections Communication with other devices Traces Expansion slots System clock Programming/setup data Flash ROM CMOS setup chip Motherboard Components A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    14. The Motherboard A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    15. The Motherboard (continued) A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    16. The CPU A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    17. The Chip Set • Controls most activities on the motherboard • Includes several device controllers • USB controller • Memory controller • IDE controller A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    18. The Chip Set (continued) A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    19. Storage Devices • Temporary (primary storage, or memory) • Temporarily holds data and instructions while processing them • Faster to access than permanent storage • Permanent (secondary storage) • Data and instructions must be copied into primary storage (RAM) for processing A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    20. Primary and Secondary Storage A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    21. Primary Storage Devices • Memory, or RAM, located on motherboard and other circuit boards • Volatile versus nonvolatile (or ROM) memory • Types of boards that hold memory chips • SIMMs • DIMMs • RIMMs A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    22. RAM Chips A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    23. Types of RAM Modules A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    24. Secondary Storage Devices • Hard drives • CD-ROM drives • DVD drives • Zip drives • Floppy drives A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    25. Hard Drive A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    26. EIDE Technology • Used by most hard drives, CD-ROM drives, and DVD drives • Can accommodate up to four EIDE devices on one system A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    27. IDE Connectors on a Motherboard A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    28. IDE Connectors on a Motherboard (continued) A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    29. IDE Connectors on a Motherboard A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    30. Hard Drive’s Power Supply A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    31. Floppy Drive Connection A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    32. Floppy Drive Connection (continued) A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    33. CD-ROM Drive Connection A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    34. Motherboard Components Used for Communication Among Devices • The data bus • System of pathways used for communication and the protocol and methods used for transmission A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    35. The Bus and Bus Lines A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    36. Data Bus A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    37. System Clock A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    38. Clock Speed • Of motherboard • Measured in megahertz (MHz) • Of CPU • Measured in gigahertz (GHz) A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    39. Expansion Slots A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    40. Types of Expansion Slots A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    41. Interface (Expansion) Cards A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    42. Interface (Expansion) Cards (continued) A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    43. The Electrical System • Power supply • Most important component of computer’s electrical system • Converts/reduces electricity to voltage the computer can handle • Runs a fan directly from electrical output voltage to cool inside of computer case A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    44. The Electrical System (continued) A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    45. The Electrical System (continued) A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    46. Instructions Stored on the Motherboard • ROM BIOS (most are flash ROM) • System BIOS • Startup BIOS • CMOS setup • Motherboard BIOS supports ACPI, APM, and Plug and Play technologies A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    47. ROM BIOS Chip A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    48. Motherboard Configuration Settings • CMOS chip • Stores setup (configuration) information • Powered by a battery on motherboard when power is off • Setup information can also be set by jumpers and DIP switches A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    49. CMOS Configuration Chip A+ Guide to Managing and Maintaining Your PC, Fifth Edition

    50. Setting Jumpers A+ Guide to Managing and Maintaining Your PC, Fifth Edition