Computer Input and Output Devices
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Questions and Answers

What is the primary function of a webcam?

  • To input video and images (correct)
  • To output audio
  • To store large amounts of data
  • To input graphical data and navigate

    • What type of storage device temporarily stores data and programs while the computer is running?

  • Hard Disk Drive (HDD)
  • CD (Compact Disc)
  • RAM (Random Access Memory) (correct)
  • Solid State Drive (SSD)

    • What is the primary function of a router?

  • To store large amounts of data
  • To connect devices within a network
  • To output audio
  • To direct traffic between networks (correct)

    • What is the primary function of a monitor?

    <p>To output text and images</p> Signup and view all the answers

    What type of network connects devices over a larger geographical area?

    <p>WAN (Wide Area Network)</p> Signup and view all the answers

    What is the primary function of a scanner?

    <p>To input images and documents</p> Signup and view all the answers

    What is the primary function of a switch?

    <p>To direct traffic within a network</p> Signup and view all the answers

    What is the primary function of a CD (Compact Disc)?

    <p>To store large amounts of data, music, and videos</p> Signup and view all the answers

    Study Notes

    Input and Output Devices

    Input Devices:

    • Keyboard: used to input text and commands
    • Mouse: used to input graphical data and navigate
    • Scanner: used to input images and documents
    • Webcam: used to input video and images
    • Microphone: used to input audio
    • Touchpad: used to input graphical data and navigate (laptops)
    • Graphics Tablet: used to input graphical data

    Output Devices:

    • Monitor: displays text and images
    • Printer: prints text and images
    • Plotter: prints large-scale graphics and designs
    • Speaker: outputs audio
    • Braille Reader: outputs text in Braille format for visually impaired users

    Storage Devices

    Primary Storage:

    • RAM (Random Access Memory): temporarily stores data and programs while the computer is running
    • ROM (Read-Only Memory): permanently stores data and programs, cannot be changed by the user

    Secondary Storage:

    • Hard Disk Drive (HDD): stores large amounts of data, relatively slow
    • Solid State Drive (SSD): stores large amounts of data, relatively fast
    • Flash Drive (USB): portable storage device, stores small amounts of data
    • CD (Compact Disc): stores data, music, and videos, can be read-only or rewritable
    • DVD (Digital Versatile Disc): stores data, music, and videos, can be read-only or rewritable

    Networks and Communication

    Network Topologies:

    • LAN (Local Area Network): connects devices in a limited geographical area
    • WAN (Wide Area Network): connects devices over a larger geographical area
    • MAN (Metropolitan Area Network): connects devices in a metropolitan area
    • Wi-Fi: wireless network technology
    • Bluetooth: wireless technology for device-to-device communication

    Network Communication:

    • Protocols: rules and standards for data transmission
      • TCP/IP (Transmission Control Protocol/Internet Protocol): most widely used protocol
      • HTTP (Hypertext Transfer Protocol): used for web communication
      • FTP (File Transfer Protocol): used for file transfer
    • Network Devices:
      • Router: directs traffic between networks
      • Switch: directs traffic within a network
      • Modem: connects to the internet via a broadband connection

    Input Devices

    • Keyboard inputs text and commands
    • Mouse inputs graphical data and navigates
    • Scanner inputs images and documents
    • Webcam inputs video and images
    • Microphone inputs audio
    • Touchpad inputs graphical data and navigates (laptops)
    • Graphics Tablet inputs graphical data

    Output Devices

    • Monitor displays text and images
    • Printer prints text and images
    • Plotter prints large-scale graphics and designs
    • Speaker outputs audio
    • Braille Reader outputs text in Braille format for visually impaired users

    Storage Devices

    Primary Storage

    • RAM temporarily stores data and programs while the computer is running
    • ROM permanently stores data and programs, cannot be changed by the user

    Secondary Storage

    • Hard Disk Drive stores large amounts of data, relatively slow
    • Solid State Drive stores large amounts of data, relatively fast
    • Flash Drive (USB) is a portable storage device, stores small amounts of data
    • CD stores data, music, and videos, can be read-only or rewritable
    • DVD stores data, music, and videos, can be read-only or rewritable

    Networks and Communication

    Network Topologies

    • LAN connects devices in a limited geographical area
    • WAN connects devices over a larger geographical area
    • MAN connects devices in a metropolitan area
    • Wi-Fi is a wireless network technology
    • Bluetooth is a wireless technology for device-to-device communication

    Network Communication

    • Protocols are rules and standards for data transmission
    • TCP/IP is the most widely used protocol
    • HTTP is used for web communication
    • FTP is used for file transfer
    • Routers direct traffic between networks
    • Switches direct traffic within a network
    • Modems connect to the internet via a broadband connection

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    Quiz Team

    Description

    Take this quiz to identify and learn about various computer input devices, such as keyboard, mouse, and scanner, and output devices, including monitor, printer, and plotter. Test your knowledge on their functions and uses.

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