作者:Luke Cantley 12 年以前
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                        Inside A computer
                        
                        
                             
                            
                         
                     
                 
             
            
                
                    
                    Inside A computer
ROM
Read onley memory. It is good at remembering but cannot change its mind, it holds info that is built into it.
RAM
Random access memory. It can even change to remember new info. But when the computer is turned off it forgets everything it had remembered earlier.
The CPU
The brain of the computer is the CPU or central Processing unit. This determines how fast that the computer can operate.
MotherBoard
It holds all of the most important parts of the computer
You can plug in a sound card and a video card into the motherboard
The MotherBoard is the largest ciruit board
Modem
This is an expansion card that allows computers to talk to each other