Friday, 24 September 2010

Digital Images

What is the diffence between traditional photography and digital photography?


Digital camers do not use a film and can store more images on conpaired to a older camrea.

What are the different sources of digital images?

- Mobile Phone Camera
- Digital Camera
- Webcam
- CCTV
- Scanner

How are digital images files stored and played on a computer?

- USB
- Removable Medium (Card)
- Bluetooth
- WiFi
- RAW Images = Purest form for the camrea & the largest
- JPEG = Worst form! Makes the image smaller then it already is

How is digital image file quality measured?
  
- Pixel count - e.g 3000x2000 
- Pixels Physical size - e.g. 4" x 6"
- Megapixel


 

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