Chapter 2 Hardware

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Chapter 2 Hardware

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  1. Chapter 2Computer Hardware

    Slide 1 - Chapter 2Computer Hardware

  2. LO2.1: Digital Data Representation

    Slide 2 - LO2.1: Digital Data Representation

    • CMPTR Chapter 2: Computer Hardware
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  3. Answer the Question below

    Slide 3 - Answer the Question below

    • CMPTR Chapter 2: Computer Hardware
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  4. The Motherboard

    Slide 4 - The Motherboard

    • All devices used with a computer need to be connected via a wired or wireless connection to the motherboard.
    • External devices typically connect to the motherboard by plugging into a port.
    • CMPTR Chapter 2: Computer Hardware
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  5. The Motherboard

    Slide 5 - The Motherboard

    • CMPTR Chapter 2: Computer Hardware
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  6. The Power Supply

    Slide 6 - The Power Supply

    • The power supply inside a desktop computer connects to the motherboard to deliver electricity to the computer.
    • Portable computers almost always contain a rechargeable battery pack to power the computer when it is not connected to a power outlet, as well as an external power supply adapter that connects the computer to a power outlet to recharge the battery when needed.
    • CMPTR Chapter 2: Computer Hardware
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  7. Memory

    Slide 7 - Memory

    • Memory is chips located inside the system unit that the computer uses to store data and instructions while it is working with them.
    • RAM (random access memory) is used to store the essential parts of the operating systemwhile the computer is running, as well as the programs and data that the computer is currently using.
    • CMPTR Chapter 2: Computer Hardware
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  8. Memory

    Slide 8 - Memory

    • A register is high-speed memory built into the CPU that temporarily stores data during processing.
    • ROM (read-only memory) consists of nonvolatile chips that permanently store data or programs.
    • Flash memory consists of nonvolatile memory chips that can be used for storage by the computer or the user.
    • Flash memory chips have begun to replace ROM for storing system information.
    • CMPTR Chapter 2: Computer Hardware
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  9. CMPTR Chapter 2: Computer Hardware

    Slide 9 - CMPTR Chapter 2: Computer Hardware

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  10. Expansion Slots, Expansion Cards, and ExpressCard Modules

    Slide 10 - Expansion Slots, Expansion Cards, and ExpressCard Modules

    • Most desktop computers come with a few empty expansion slots so new expansion cards can be added as needed.
    • Today most notebook and netbook computers use the newer ExpressCard modules.
    • CMPTR Chapter 2: Computer Hardware
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  11. Ports and Connectors

    Slide 11 - Ports and Connectors

    • Ports are the connectors located on the exterior of the system unit that are used to connect external hardware devices.
    • Each port is attached to theappropriate bus on the mother-board so that when a device isplugged into a port, the devicecan communicate with the CPUand other computer components.
    • CMPTR Chapter 2: Computer Hardware
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  12. Ports and Connectors

    Slide 12 - Ports and Connectors

    • CMPTR Chapter 2: Computer Hardware
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  13. Optical Discs

    Slide 13 - Optical Discs

    • Optical discs are thin circular discs made out of poly- carbonate substrate—essentially a type of very strong plastic—that are topped with layers of other materials and coatings used to store data and protect the disc.
    • CMPTR Chapter 2: Computer Hardware
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