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2. An actual CPU

From the outside, the CPU looks like a single chip with lots of pins.

In a desk top computer, it is normally located on the 'motherboard'. This is a large printed circuit board where many of the main components of the computer are located. The photo below shows a motherboard with the CPU located beneath its large cooling fan.

Challenge see if you can find out one extra fact on this topic that we haven't already told you

Click on this link: what does a CPU look like