Digital Data Representing Images Flashcards
1
Q
What is the smallest unit of an image that can be changed?
A
A pixel.
2
Q
What is the word pixel a fution of?
A
The words picture and element.
3
Q
What has the job of displaying the pixels in their rightful colours?
A
The screen and graphics card.
4
Q
What is needed to store an image on a storage device?
A
Every pixel needs to have its colour code sorted.
Metadata such as the dimensions of the image need to be stored in order to allow the image to be recognised for screen display.
5
Q
How does digital data get stored?
A
It is stored in binary numbers.
6
Q
What is the number of pixels per unit also known as?
A
Resolution of an image.
