LO5: Data Sources and DFDs Flashcards
Learn the sources of data and information and the symbols of data flow diagrams
1
Q
What is an internal Source?
A
A source of information that comes from within the business or organisation.
2
Q
What is an external Source?
A
A source of information that comes from outside of the business or organisation.
3
Q
What shape does a process use?
A
Rounded Square
4
Q
What shape does a data store use?
A
Rectangle (with a shaded area to the left side)
5
Q
What shape does a source/link use?
A
Rectangle
6
Q
What shape shows data flow?
A
An arrow
