Port - Most input/output devices are outside the computer case. These devices communicate with components inside the computer case through a wireless connection or through pcables attatched to the case at a connection called a port. (Chad G.
Constrictor Knot- used to tie a smaller rope to a larger one, or to tie a rope to a stake or pole; a substitute for whipping; as a lashing for light construction; as a hose clamp. A secure nonslip knot; difficult to untie without cutting.
Infographic: ElectricityA visual cheat sheet about electrical physics, containing the most important formulas of current and Ohm’s law expressed through an impossible water circuit analogy.(by Pierluigi Scotolati)