| Power Supply Unit |
The Power Supply Unit supplies power to the computer system for it to work. |
| Printer |
This output device produces permanent hard copy of your work by printing information onto sheets of paper. |
| Processor |
This is the ‘brain' of a computer because it performs all the calculations that the computer does. |
| Projector |
This output device projects information onto a wall using a beam of light. |
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