Answer:
A. A1
Explanation:
Worksheet's Columns are named with Alphabets. i.e. A,B,C,D,E....
And Worksheet's rows are named with numbers. i.e. 1,2,3,4,5....
So the intersection of first row number as "1" and First Column name as "A" is A1 as worksheet displays column name first and then row number.
 
        
                    
             
        
        
        
Answer:
Disruptive innovation
Explanation:
Disruptive innovation are considered those new technologies, products or services whose application can greatly impact the manner in which an industry or a market functions. This is because the surpass the existing dominant product or technology. One example of a disruptive innovation is the internet. The internet altered the manner in which business was done by companies, but negatively affected those who refused to adopt it.
 
        
             
        
        
        
Answer:
B
Explanation:
User Acceptance Testing (UAT) is the testing done by end users who is going to use that application. In these testing they will test  whether the application meets all the functional requirements of the end user. If it passed then only the application will move to the production. This will ensure that the application meets the user requirements before it put into the usage.
The Answer is B
 
        
             
        
        
        
Answer:
I need a better explanation??