Fichas
Topic 5 Flashcards
Fichas del conjunto (6)
- 1OMR Optical Mark Reader (OMR) detects pencil marks by reflecting light onto it. The results are then sent for analysis.Advantages
- Fast method
-Only one computer is needed
-Accurate
Disadvantages
-Easily altered
-May not read correctly
-Mistakes are hard to correct - 2Smart Cards Smart cards contain a chip that can hold certain informationAdvantages
-Easy to use
-Safe to transport
-Easy to access details
Disadvantages
-Easily borrowed
-Easy to lose
-Expensive to buy and restore - 3Swipe Cards Swipe cards register students by swiping the cards on a cards readerAdvantages
-Cheap
-Readers are vandal proof
-Quick to use
Disadvantages
-Easy to lose
-Students can swipe each others cards
-Easy to break the cards - 4Biometric Biometric scanners scan a feature of the human body unique to the individual to identify themAdvantages
-Nothing to lose/forget
-You have to be there to register
-Done in real time
Disadvantages
-Expensive to install
-Privacy issues
-Total reliance on ICT system - 5Data LoggingAdvantages
- Reading taken automatically
-Senors can be put in remote locations
-Data is processed easily
Disadvantages
- Data is lost in malfunctions
- Expensive
-Sensors could take wrong readings - 6ICT-based weather forecasting systemsAdvantages
-Data can be collected automatically
- Data is taken in real time
- Data is collected from unsafe locations
Disadvantages
-Expensive
- Malfunctions lead to wrong forecasts
- Jobs loss for workers
Información
- Descripción
- GCSE ICT Fichas sobre Topic 5 Flashcards, creado por Lindis Dixon el 25/11/2014.
- Creado por
- Lindis Dixon
- Visitas
- 10
- Valoración