You can't upgrade everything in a laptop, but these three parts offer the most potential gain and are worth considering.
Inside the phone or computer you are reading this story on is a fiberglass board bearing all the circuit chips, wires and other electronic components that make the device work. And every year ...
A printed circuit board that contains a complete computer, including clock, microprocessor, RAM, flash memory, Ethernet, I/O control and sockets. A single board computer is a self-contained ...