revision
- Created by: 13knowlj
- Created on: 13-12-16 12:19
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- Computer Science Revision
- Input and output devices.
- Input devices
- Any device that gives information to the computer.
- Motion sencer
- Output devices
- Any device that does something based on what the programme is doing.
- Console controllers as they vibrate
- Input devices
- Sound
- Analogue sound is sound that is pure. Analogue sound can not be stored.
- To convert analogue sound to digital sound, it has to be recorded.
- This is done using sampling. Snippets of the sound are recorded at tiny intervals.
- To convert analogue sound to digital sound, it has to be recorded.
- Digital sound is recorded sound that is impure.
- Untitled
- Analogue sound is sound that is pure. Analogue sound can not be stored.
- Python
- Binary
- Denary = 0 to 9 (the way humans count)
- 128
- 64
- 32
- 16
- 8
- 4
- 2
- 1
- 1
- (1*1)+(1*4)
- 00000101 = 5 in denary
- 0
- 1
- 1
- 2
- 0
- 4
- 0
- 8
- 0
- 16
- 0
- 32
- 0
- 64
- 128
- Binary is how computers represent data internally.
- Computers can only store 1s and 0s. This is all that they can use. To show this as letters, numbers or symbotls they use ASCII
- Denary = 0 to 9 (the way humans count)
- Input and output devices.
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