Some of you who have a traditional “three-piece” desktop computer system where there is a separate box where all the activity takes place, may refer to this box of your computer setup as the “hard disk” even though it is known as a “system unit”. This is because the hard disk, amongst the other key computing subsystems like the CPU processor and the RAM exists in that box.
This infographic shows what the key parts of your computer are and is based on one of the newer small-form-factor designs that are common in the office and home.
What’s inside your computer
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