Input Output Devices

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Input Output Devices

  1. 1. <ul><li>OBJECTIVE : Students will determine system properties, input and output devices that are part of the hardware components of a computer system by reading their textbook & classroom discussion/lecture. </li></ul>
  2. 2. Hardware The physical (exterior) components of a computer system
  3. 3. Systems Unit <ul><li>The case that houses the computer’s internal processing circuitry </li></ul><ul><li>Two kinds </li></ul><ul><ul><li>Tower Case </li></ul></ul><ul><ul><li>Desktop Case </li></ul></ul><ul><li>Connects to other parts of the computer and the power supply </li></ul><ul><li>Power Switch </li></ul>
  4. 4. Input Devices <ul><li>Allows you to get new information or input into a computer so it knows what to do or write </li></ul><ul><li>The two most common input devices </li></ul><ul><ul><li>Keyboard – input letters and numbers </li></ul></ul><ul><ul><li>Mouse – moves the cursor on the screen </li></ul></ul>Trackball Touchpad Mouse
  5. 5. Image Input Devices Scanner Digital Camera Graphics Tablet
  6. 6. Output Devices <ul><li>Displays information </li></ul><ul><li>Monitor </li></ul><ul><li>Speakers </li></ul><ul><li>Printers </li></ul><ul><ul><li>Inkjet </li></ul></ul><ul><ul><li>Laser </li></ul></ul>Read p. 758 – 760 from the textbook
  7. 7. Primary Storage Device <ul><li>Hard drive </li></ul><ul><li>Inside the system unit </li></ul><ul><li>Stores software programs and data files </li></ul>
  8. 8. Secondary Storage Devices <ul><ul><li>Floppy disk </li></ul></ul><ul><ul><li>CD-ROM (CD or DVD drive) </li></ul></ul><ul><ul><li>DVD-ROM (DVD Drive only) </li></ul></ul><ul><ul><li>CD-RW (compact disk-rewritable) </li></ul></ul><ul><ul><li>Memory Stick (Flash Drive) </li></ul></ul>
  9. 9. Assignment <ul><li>Go to our Quia class website. </li></ul><ul><li>- Complete “Input/Output Devices” quia assignment. </li></ul>
  10. 10. Reflection <ul><li>What input devices did you see attached to our classroom computers? </li></ul><ul><li>What kind of a system do you have on your desk? </li></ul><ul><li>What is the most common input device? </li></ul><ul><li>What is the most common output device? </li></ul><ul><li>Where is the hard drive located? </li></ul>

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