The answer is B because it is short and simple and gets you to the point
 
        
                    
             
        
        
        
Answer:d)Use online databases to update and backup the data.
Explanation: Data backup is the creation of copy of the data to be stored in the secondary memory.This data is utilized when the data is lost or deleted from original positional and thus gets restored . Database are used for the updating the backed-up data on online mode.
Other options are incorrect because it does not creates copies for the offices members to take home, no data storage is created in following organization and does not store data in external disk.Thus, the correct option is option(d).
 
        
             
        
        
        
The difference between a calculator and a computer is that when a calculator performs computations it is slower but needs more human assistance - C.
While a computer on the other hand, computes tens of thousands of computations without any human input, all done automatically. 
        
             
        
        
        
Answer:
D
Explanation:
It's because you need a system software so the user can understand what the hardware is saying because the hardware only uses binary codes.
 
        
             
        
        
        
Answer:
<em>sorry</em><em> </em><em>I </em><em>don't</em><em> </em><em>know</em><em> </em><em> </em><em>I </em><em> </em><em>can't</em><em> </em><em>will</em><em> </em><em>your</em><em> </em><em>help</em>