Difference between revisions of "5-WAC-07 Analogue Digital Signals"
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* '''3.24''' describe the advantages of using digital signals rather than analogue signals | * '''3.24''' describe the advantages of using digital signals rather than analogue signals | ||
* '''3.25''' describe how digital signals can carry more information | * '''3.25''' describe how digital signals can carry more information | ||
| − | ==Starter== | + | ==Starter== |
| + | * Ask pupils to list all the different formats music can be bought in | ||
| + | * Elucidate: | ||
| + | ** MP3 / AAC / etc. | ||
| + | ** MiniDisc | ||
| + | ** DAT | ||
| + | ** CD | ||
| + | ** Cassette | ||
| + | ** 8-track | ||
| + | ** Wire recording | ||
| + | ** Vinyl | ||
| + | ** Wax cylinder | ||
| + | * Discuss the difference between the different formats. Have pupils group formats into digital and "non-digital" (no need to refer to analogue at this stage). | ||
| + | |||
==Main Body of Lesson== | ==Main Body of Lesson== | ||
==Plenary== | ==Plenary== | ||
Revision as of 16:57, 28 October 2010
Contents
Outcomes
- Pupils can identify the key differences between analogue and digital signals.
- Pupils can identify and discuss the advantages and disadvantages of analogue and digital signals.
- Pupils understand that data can be transmitted at much higher rate when transmitted digitally rather than as an analogue signal.
Specification References
- 3.23 understand the difference between analogue and digital signals
- 3.24 describe the advantages of using digital signals rather than analogue signals
- 3.25 describe how digital signals can carry more information
Starter
- Ask pupils to list all the different formats music can be bought in
- Elucidate:
- MP3 / AAC / etc.
- MiniDisc
- DAT
- CD
- Cassette
- 8-track
- Wire recording
- Vinyl
- Wax cylinder
- Discuss the difference between the different formats. Have pupils group formats into digital and "non-digital" (no need to refer to analogue at this stage).
