Final answer:
Troubleshooting is the act of trying to fix what is wrong in a system, and it involves identifying and solving problems that occur in a system or device. It is not limited to professionals and can be used by anyone.
Step-by-step explanation:
Troubleshooting is A. the act of trying to fix what is wrong in a system. It involves identifying and solving problems that occur in a system or device. This can be done by using various problem-solving strategies, such as trial and error.
For example, if you have a broken printer, you could try checking the ink levels and the paper tray to see if they are causing the issue. If that doesn't work, you might check if the printer is properly connected to your laptop. These are all steps in the troubleshooting process to find and fix the problem.
Troubleshooting is not limited to professionals; anyone can use this approach to solve problems in a system or device.