You can find some of these diagrams online. There will be many available through a simple internet image search to help you out.
This could be called an optical fiber diagram.
internal
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Get the cheese from the dungeon and use it on the mouse
mechanical mouse
feed it the mechanical mouse that you find in the princesses room
the mechanical part of a mouse can be seen as the driver of direction in a mouse.
A "ball mouse" or mechanical mouse is a computer mouse which detects user inputs using a system of servos detecting the movements of a ball (inside the mouse) which rolls on the desk surface. The most common alternative, the "optical mouse" uses optical sensors to detect user inputs. The optical mouse is widely considered to be superior in all important respects, and is therefore becoming much more common then their mechanical cousins.
A computer's mouse is an external device.
A mechanical mouse is an input device, much like an optical mouse, but it uses a rollerball, or trackball, whereas an optical mouse has sensors on the bottom that detect movement, and make the cursor on the screen.
the internal hardware are keyboard,mouse,joystick.etc...
The bard invented the meacanical mouse