Answer:
Best Regards to all of the people who have met you in the class 
 
        
             
        
        
        
The software development model that focuses on improving the product in small steps each time through the cycle is the Waterfall Process model
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The Waterfall Process model mainly focuses on going step by step to make sure the product improves sufficiently and significantly.
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- Marlon Nunez
 
        
                    
             
        
        
        
Civil engineers is the correct business
        
                    
             
        
        
        
Answer:
Troubleshooting 
Explanation:
These actions are called troubleshooting. 
Troubleshooting is used to diagnose the unexpected error while you are performing some action on the computer. For example
You are running skype, and a one-day mic or sound performing unexpected error. What will you do? You have to perform the troubleshooting for MIC and sound to diagnose the problem. 
During troubleshooting, you will wizard through steps of the procedure to diagnose the problem step by step. If the problem will be identified, the solution will be suggested.
You may experience sometimes your Wifi router at home not working. For this to identify the unexpected error you will perform the troubleshooting.
In short, troubleshooting is used to diagnose unexpected error while performing some action on the computer. If troubleshooting does not work, then close all the programs running on your machine, then shut down your computer. Wait a couple of minutes, and then start your computer and see, the problem may have been alleviated.