Answer:
 Positive use of the technology before the pandemic. Is to talk to relatives who live far away. Find a Cool Recipe and to be nice online.
Explanation:
 
        
             
        
        
        
Answer:
See Explanation
Explanation:
The question would be best answered if there are options to select from; since none is provided, I will provide a general explanation.
From the question, we understand that, you are to test for Jo Wen.
Testing your program with this name will crash the program, because Jo has 2 letters (3 letters are required), and Wen has 3 letters (4 letters are required)
So, the step that needs to be revisited is when the username is generated.
Since the person's name cannot be changed and such person will not be prevented from registering on the platform, you need to create a dynamic process that handles names whose lengths are not up to the required length.
 
        
             
        
        
        
Answer:
i think its the second one
Explanation:
brainliest pls
 
        
                    
             
        
        
        
Answer:
NOPE
Explanation:
sometimes presentations can be for one person only. For instance if you work in a company sometimes you present for your boss only etc. 
Hope this helped :)
 
        
                    
             
        
        
        
Answer: Close or disable all unused running apps.
Explanation: when unused apps keep runningon the device, it will make the device to keep lagging, thereby reducing it efficiency. But once those apps are disabled or closed and the system is probably restarted, the device will regain it efficiency back.