How the CPU and Memory Work

The working of the CPU and memory is in various steps involved for multuplying two numbrs

1. the cantrol unit recognizes that the program has been loaded into the memory. it begins to execute the first step in the program.

2. The programe tells the user "enter 1st number"

3. The user type the number 100 on the keyboard . An electronic signal is sent to the CPU.  
            
4. The control unit recognizes this signal and routes the signal to an address in memory -- say address7

5. the user types the number 4 on the keyboard. an electronic signal is sent to the CPU