SAVE POINT                                                                  
                                                                                  
      Save      point                                                             
                                                                                  
                                                                                  
                                                                                  
      Three words worth keeping in your coding backpack                           
                                                                                  
                                                                                  
                                                                                  
                                                                                  
                           physical parts you can touch                           
        hardware                                                                  
                                                                                  
                                                                                  
                                                                                  
                                                                                  
                           programs and their data                                
        software                                                                  
                                                                                  
                                                                                  
                                                                                  
                                                                                  
                           temporary working space                                
        memory                                                                    
                                                                                  
                                                                                  
         BOSS CHALLENGE                                                           
                                                                                  
         Invent a computer hidden inside a backpack. List its input, process,     
                                                                                  
         storage, and output.                                                     
                                                                                  
                                                                                  
                                                                                  
                                                                                  
         When it works, add your initials here: __________                        
                                                                                  
                                                                                  
                                                                                  
                                                                                  
                                                                                  
        REFLECT                                                                   
           What did I discover?                                                   
           What did I create?                                                     
           What would I change next?                                              
                                                                                  
                                                                                  
                                                                                  
                                                                                  
                                                                                  
                                                                                  
                                                                                  
      What Is a Computer?                                                 18
