Images Flashcards
1
Q
Pixel
A
Picture element
2
Q
Image
A
grid of pixels
3
Q
Resolution
A
width in pixels * height in pixels
4
Q
Pixel density
A
More pixels (higher res) means sharper image
5
Q
Colour depth
A
-Each bit added doubles the number of colours
6
Q
Metadata
A
Data about data
7
Q
Storage requirement equation
A
Resolution * colour depth
8
Q
Vector Graphics
A
- Stores images as shapes or objects
- Data includes: height, fill colour, line colour and thickness, orientation
9
Q
Bitmap advantages
A
- Large, quality images
- Photographic accuracy
- Widely recognised file formats
10
Q
Bitmap disadvantages
A
- Large file sizes
- Resizing leads to pixilation
11
Q
Vector Graphics advantages
A
- Smaller file sizes
- Image resizable without quality reduction
12
Q
Vector Graphics disadvantages
A
- Can look cartoonish
- File formats are proprietatry
