The correct answer is C. Process.
A process symbol is used in a flowchart to represent a calculation task. It is a rectangle with rounded corners. The process symbol is used to represent any task that is performed on data, such as calculating a value, sorting data, or comparing two values.
The other options are incorrect for the following reasons:
- Input: An input symbol is used in a flowchart to represent data that is entered into a system. It is a parallelogram.
- Output: An output symbol is used in a flowchart to represent data that is produced by a system. It is a diamond.
- Start: A start symbol is used in a flowchart to represent the beginning of a process. It is a circle with a dot in the center.
- Stop: A stop symbol is used in a flowchart to represent the end of a process. It is a diamond with a slash through it.
