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Input devices

Input devices. Keyboard Mouse Joystick Digital camera Microphone Touch screen Scanner Graphics tablet Sensors Barcode reader Magnetic strip reader Magnetic Ink Character Reader (MICR) Optical Mark Reader (OMR). Describe each device What is it? What is it used for?

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Input devices

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  1. Input devices • Keyboard • Mouse • Joystick • Digital camera • Microphone • Touch screen • Scanner • Graphics tablet • Sensors • Barcode reader • Magnetic strip reader • Magnetic Ink Character Reader (MICR) • Optical Mark Reader (OMR) Describe each device What is it? What is it used for? What is the technology behind it?

  2. Output Devices • Monitor • Printers • Laser printers • Ink-jet printers • Dot matrix printers • Plotters • speakers • projectors • buzzers • motors • switched outputs • lights • mechanical devices, eg a robot arm Describe each device What is it? What is it used for? What is the technology behind it?

  3. Storage Devices • Floppy disks • hard disks • CDs • CD R/Ws • DVDs • Zip disks • SD cards • Flash drives • Magnetic tape Describe each device What is it? What is it used for? What is the storage capacity?

  4. Primary/ secondary storage devices

  5. Systems software and application packages

  6. Software Operating system Utility programs Library programs Translators Applications software Describe each type of software in detail What is it? What is it used for?

  7. The waterfall model

  8. Task • Write a brief description of each stage of the system life cycle

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