Well I got some numbers mixed up but I think it’s B
        
             
        
        
        
Periodically adding, changing and deleting file records is called file updating. The correct answer is A. 
        
                    
             
        
        
        
Answer:
Public Relations or Pull Request (computer programming)
Explanation:
Hope this helps
 
        
             
        
        
        
Answer: Steady OR Flashing
Explanation: If you are talking about the internet connection / power received lines One light should be Solid or "Steady" and the other usually green light will be flashing indicating that data is being transferred. Beware that just because the Orange light is Steady that does not mean that the internet is working that just means that it sees its connected. 
 
        
                    
             
        
        
        
GPS stands for Global Positioning System