Flashcards
Images
Cards in this deck (4)
- 1Images in binaryEach colour of an image is stored as a binary number.
Digital graphics are made up of tiny blocks called pixels.
Each pixel is a colour and you need a binary value for each different colour. - 2Colour/Bit depth1 bit = 2 colours
2 bits = 4 colours
8 bits = 256 colours
16 bits - 65536 colours - 3Metadata - Data about dataInformation an include:
File name
File format - eg JPEG, GIF or PNG
Dimensions - i.e Height and Width
Resolution
Colour/Bit depth
Time and date the image was last changed
Camera settings when the photo was taken
GPS - 4ResolutionThe number of pixels per unit/dots e.g ppi (pixels per inch)
Information
- Description
- Flashcards on Images, created by Philippa Boosey on 20/03/2020.
- Created by
- Philippa Boosey
- Views
- 0
- Rating