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Input and output


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Input and output

  1. 1. Input and Output<br />Chapter 4 technology<br />
  2. 2. What is Input?<br />Input devices are any of the various devices used to enter, or INPUT, information into a computer for storage or processing.<br />These devices are usually plugged into the front or back of the tower through the use of UBS ports.<br />
  3. 3. Various Input Devices<br />There are many different types of input devices.<br />There are several very important devices that are used with a computer:<br />Keyboard<br />Pointing devices – mouse, trackball, touchpad, touch screen and pen inputs.<br />
  4. 4. USB Ports<br />A USB port, or Universal Serial Bus port, is a standard cable connection interface on personal computers and commercial electronics. They allow stand-alone electronic devices to be connected to a computer or to each other.<br />Before USB ports, computers used serial ports and parallel ports to connect devices to a computer. Zip drives usually used the parallel ports as did printers which would limit the use of both.<br />
  5. 5. USB Ports<br />The goal of the USB port is to end all of the confusion for input ports. The USB port gives us a standardized, easy-to-use way to connect 127 different devices!<br />Some devices that use USB ports are: printers, scanners, joysticks, mice, keyboards, digital cameras, webcams, modems, speakers, and storage devices. <br />Besides connecting devices, USB ports can also supply electrical power to devices. <br />
  6. 6. What is Output?<br />Output devices are computer components that are capable of conveying, or OUTPUTTING, information from the computer to the user. <br />Output is basically anything that comes out of a computer. This can include data, texts, pictures, videos, or sound.<br />
  7. 7. Various Output Devices<br /><br />
  8. 8. Output or Input?!<br />Careful, this is a tricky one.<br />