Computer simulation is just like training for example before pilot fly plane they got training from computer simulation it's just like video lecture
        
             
        
        
        
the menu and the toolbars
        
             
        
        
        
Answer:
There are two types of cell references: relative and absolute. Relative and absolute references behave differently when copied and filled to other cells. Relative references change when a formula is copied to another cell. Absolute references, on the other hand, remain constant, no matter where they are copied.