Answer:
data source
Explanation:
The main aim of a data source is for the gathering of all necessary information that is needed to access a data. Since he has used the information to create a pie chart, this means that some data were used for the creation of this pie chart. Hence the information used for the creation of the pie chart is the data source for the information illustrated on the pie chart.
Answer:
Raster Graphic is a bitmap. They are basically a grid of small pixels that make an image.
Answer:
it is called a dotted half note
