Friday, 24 September 2010

Assignment 1

What is the difference between traditional photography and digital photography?
In analogue photography you have to use light sensitive paper and use chemicals and film.
The digital photography has a light sensor and not a film.

What are the different sources of digital images?
Camera's- take and store
I-pods- take and store
phone- take and store
TV and DVD- store

How are digital image files stored and played on a computer?
Raw- The original file which has come from the camera. Very large and not all software can edit them .
USB Cable, WiFi, Bluetooth, memory card
JPEG- the quality is sacrificed but you do get a reduction in size.l

How is digital image file quality measured
Megapixel- 1 million sets of megapixels. Each megapixel is 1 million. 6 megapixel is lots more smaller squares were as 1 million megapixels become blurred.