Data representation Flashcards
1
Q
What is binary?
A
A base 2 number system.
2
Q
What is decimal?
A
A base 10 numbering system.
3
Q
What is hexadecimal?
A
Using a numerical system that has base 16 rather than base 10.
4
Q
What is a bitmap?
A
An image made up of pixels.
5
Q
what is a pixel?
A
The smallest element from which an image can be formed.
6
Q
What is resolution?
A
A measure used to describe the quality of an image.
7
Q
What is colour (bit) depth?
A
An image that is measured in bits which means the number of bits indicates how many colours are available for each pixel.
8
Q
what is the sampling (rate) frequency?
A
How many times a sample is taken per second, measured in hertz (hz).
9
Q
What is sampling resolution?
A
How many bits are available to store the samples.
