ICT - Data logging and control

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  • Created by: lou9119
  • Created on: 19-04-16 13:52
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  • Data logging and Control
    • Data logging
      • -This allows you to record a series of measure-ments taken by sensors made during an investigation. They can measure:
        • Temperature
        • Light
        • Sound
        • Movement
      • -The data can be recorded automatically, directly to a computer or you can log the data manually using a keyboard, mouse or mic for later use.
      • Advantages:
        • Data collection can be automatic.
        • Readings can be taken over long periods.
        • No chance of someone forgetting to take a reading.
        • No human error.
        • Sensors can be placed in any location.
        • Readings can be taken quickly.
      • Dis-advantages:
        • If there is a fault it may go unnoticed for a long time.
    • Weather forecasting
      • Some of the world's most powerful computers are used to accurately for forecast the weather. They are used to monitor:
        • Change in average temperature of the Earth's surface.
        • Ocean temperatures and currents.
        • The movement of areas of high and low pressures.
        • Paths of hurricanes.
      • The data used to create readings of temperature, humidity etc. are collected from sensors such as:
        • Weather stations
        • Radar stations
        • Satellites
        • Weather balloons
        • Aircraft
        • Weather ships and buoys
    • Micro-processor control
      • Micro-processors are the heart of computers, carrying out many of the functions of the central processing unit (CPU).  Some examples include:
        • Central heating
        • Fire alarms
        • Dishwashers
        • Microwaves
        • Phones
        • Consoles
        • TVS
        • Digital cameras
        • Burglar alarms
        • Washing machines
        • DVD players
        • Fridges
        • MP3/4 players
        • Remote control toys

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