Computer Case
Where all of the electronic components or "hardware" is enclosed. It usually has a cooling fan or fans. All the parts, Processor(CPU) , Hard Disk Drive (HDD) , Memory (RAM) , System Board (MB or MotherBoard) , Power Supply (PS) and Graphics Card (Graphics Processing Unit or GPU ) are in the computer case except for the keyboard, mouse and video monitor. The case usually contains a CD or DVD reader or writer.