Consider the following structure chart diagram. The boxes have function names embedded in them, while the variables are indicated along the arcs.
Given below are a set of statements relevant to the above diagram.
- F3 and F6 can be in the same module.
- F4 and F6 can be in the same module.
- A4 is both an output and a control variable.
- It is incorrect to pass A1 as data and use it as a control variable.
Which combination of these statements is TRUE?
- III and IV
- I and IV
- II and IV
- I, II and IV