Flashcards
Images
Cards in this deck (7)
- 1How do computers represent images?Bitmap, index colour, RGB colour, Vectors
- 2What is a bitmap?A way of representing images. It splits page into pixels and assigns a colour to each one.
- 3What is resolution?Number of pixels in a given area. Many pixels in small area, high res. Not many pixels in a small area, low res.
- 4What is Index colour?Ascii colours
- 5What is RGB colour?Red, green, blue, the primary colours of light. How much R G or B is in the colour is represented by a number. eg 0000FF = blue (hex)
- 6What is metadata?Extra data about the picture. eg, size, pixels, software, time/date, location.
- 7What is a vector?Mathematical functions to describe shapes. No pixels. Only diagrams of shapes. Not for complex photos. Do not lose resolution, Useful for maps and blueprints. Consist of lines and circles.
Information
- Description
- GCSE Computing Flashcards on Images , created by daisy brown on 24/03/2019.
- Created by
- daisy brown
- Views
- 1
- Rating