What parts are needed for a computer to work

A computer does not require all the components mentioned above. However, a computer cannot function without having at the very minimum the parts listed below.

1. Processor - Component that executes instructions from the software and hardware.
2. Memory - Temporary primary storage for data traveling between the storage and CPU.
3. Motherboard (with onboard video) - Component that connects all components.
4. Storage device (e.g., hard drive) - Slower secondary storage that permanently stores data.

However, if you had a computer with only the minimum parts above, you would be unable to communicate with it until you connected at least one input device (e.g., keyboard). Also, for you to see what is happening, you would need at least one output device 

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