It is easy to know the hardware on your computer. Here are ways to find out what hardware is on your computer.
1) If you have a computer with Windows operating system use one of these.
i) Click on windows icon -> open start -> click open device specification.
This first method is not detailed, try the second one to get more information on what hardware you have on your computer.
ii) Right click on the start menu ->click device manager -> review the categories by expanding each one.
2) For a computer with mac operating system: click on Apple menu -> click on about Mac -> click system report -> open hardware ->expand the category you like to view.