Answer:
System software.       
Explanation:
The system software is the software which has system need to running Without the system software the computer system will not start and work simply means to interact with the computer system we need system software.  
- Briley needs system software to connects the different parts and input-output devices, and it provides the ensuring that the computer system has a power supply available.
 
- So without the System software, Briley will not interact with the computer system.
 
 
        
             
        
        
        
I believe it is B hope this helped you<span />
        
             
        
        
        
 Answer:
ctrl e then ctrl r
Explanation:
i used google cause im a. gooooddddddddd