Computer system (school subject).

1. Data + Structure = Information.

2. What is a computer? A digital computer is a machine that can be programmed to accept date (input) and
     process it into information (output).

                                             INPUT -> PROCESS -> OUTPUT
                                                                     
                                                       (Read)      |      (write)
                                                           
                                                                STORAGE                                                                                                            
 

Input - a process of entering data into the computer.
Softcopy - the computer can display the data on a monitor screen.
Hardcopy - send data to a printer or plotter to make a paper copy.
Processing - transform data into meaningful information.
Storage - saving the data in the computer for later use.
Retrieval - Data is fetched from the computer and read.