Which term describes a diagram that shows the sequence of actions that happen to data as it enters, flows through and leaves a system?
Flowchart
What is meant by a terminator in a flowchart?
A symbol that shows where a system starts or where it stops operating
Which term describes the diamond-shaped symbol that asks a question with a yes or no answer and sends the flow along one of two paths?
Decision
What is meant by a process in a flowchart?
An action or check the system carries out on the data
What is meant by a data input or output symbol in a flowchart?
A symbol that shows data entering the system or information being given back to a user
Which term describes the part of a flowchart where the flow returns to a step that has already been carried out, so an action is repeated?
Loop
Which shape is used to draw the decision symbol in a flowchart?
Diamond
A flowchart includes the step 'Convert the mark to a percentage'. Which symbol represents this step?
Process
In a flowchart, a decision symbol asks a question such as 'Password correct?'. What do the two labelled exits from this symbol show?
The Yes path and the No path
A flowchart converts a mark out of 30 into a percentage, then checks if the score is 40% or greater. A student scores 21. What message is produced?
You passed
A flowchart has a Start terminator and several process and input symbols, but no symbol shows where the system stops operating. What is missing?
End terminator
In a system, a step such as returning a card to its owner must happen whether the answer to a decision is Yes or No. Where must this step be shown?
On both the Yes and No paths
Which of these is a disadvantage of using a flowchart to represent a system?
It may need to be redrawn when a system changes
A system lets a user re-enter a password until it is correct. What must the flowchart include to show this?
A path returning to the password input step
A flowchart joins its symbols with lines that have no arrowheads. Why does this make the flowchart difficult to follow?
The direction in which the flow moves is not shown
A flowchart shows a decision symbol with one line leaving it towards an output. What is missing from this flowchart?
The other exit from the decision
A company wants to explain the steps of a new system to its staff. Why is a flowchart a suitable form of notation for this?
It shows the order in which tasks are carried out
A flowchart checks a PIN. The No exit from the decision 'PIN correct?' leads back to the step where the PIN is keyed in, and the Yes exit leads to the menu. A user keys in a wrong PIN and then a correct one. Which step happens next?
The menu is displayed
Which of these steps would be shown in a flowchart using the input or output symbol?
A receipt is printed for the customer
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