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Images:

 

1. Taken from the System Profiler application of a Macintosh computer (you get it by clicking on the Apple, and going About This Mac, and clicking on the More InfoÉ button.

 
 
System Profiler Info

 

The flow of data within a computer

 

 

 

Data goes from the:              temporarily to the:                and possibly via the:             to be processed in the:

        

                  Hard drive                                     RAM                                    cache                                    CPU

 

 

 

 

 

Occurs when a file/program is loaded or saved.
 

Occurs hundreds of millions per second as data is processed.

(4 or 8 bytes at a time.)

 
 

 

 

 

 

 

 

 


                  500 GB                                         1 GB                                             1 MB                                    64 bits                

    Above are some approximate amounts of memory for each part of a desktop computer produced in 2008.