To learn about computer

Computer hardware
     Are all physical things
        or
Are all non-tangible things

exmple of computer hardware.

• Monitor
• Mouse
• Keyboard
• Scanner
• Printers and etc 

Computer hardware this is touchable

Computer software
    This is the instruction that control computer hardware.
      or
Is untouchable things.

Example of computer software.

• Utility program
• Language translator
• Operating system