ICT OCR AS - Chapter 1 - Methods to convey meaning
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?- Created by: Justin Swift
- Created on: 24-03-13 08:18
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- Methods of conveying meaning
- Text
- Advantages
- Clear to understand
- lots of detail
- Disadvantages
- Need to be able to read
- Need to understand the language
- Could be confusing - level of language
- Lots of text cannot be read quickly
- Advantages
- Graphics
- Advantages
- Multilingual - do not need language to understand an image
- Can match what you see - physical shapes
- Disadvantages
- Can be confusing if you do not know the symbols
- Some symbols do not mean the same thing in different countries
- Advantages
- Sound
- Advantages
- No fixed position
- No line of sight required
- Good for visually impaired people
- Disadvantages
- No god in a large area - distortion of sound
- Usually language based
- May not know the meaning of the sound
- Untitled
- Advantages
- Moving picture
- Advantages
- Lots of information conveyed
- Not language dependant
- Can exemplify text
- Disadvantages
- Linear- if you do not see the beginning you may not understand
- Problems if sound
- Advantages
- LED
- Advantages
- Can allow data to be kept secure
- Can be used in noisy places
- Similar to graphics
- Disadvantages
- Need to be able to see the light
- Combinations of lights may need to be known to understand
- Advantages
- Text
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