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Chapter 1

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

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