1. What is a flowchart?
A flowchart us graphic representation, using symbols interconnected with lines, of the successive steps in a procedure or system.
2. Describe the basic symbols for;
*Start or end of the program
At the start or end of a flowchart an oval shape is used.
*Input or output operation
A parallelogram is used to show input or output.
*Decision making and branching
A diamond shape is used to show decision making or branching it is also attached with arrows, a decision asks a question. The answer to the question determines which arrow you follow.
*Flow line
Arrows show the flow line on a flowchart, they lead you to all the steps of the procedure shown on the chart.
3. How many lines may enter a decision symbol and a process symbol?
When using a decision symbol two to three lines should be used, when using a process symbol only one line should come out of the process symbols.
No comments:
Post a Comment