A handshake can refer to either a personal physical greeting between two individuals or an exchange of signals between computers or peripherals to establish a communication link.
A joystick is a computer input device that is particularly useful for playing computer games. It consists of a handle that can be pointed in various directions. The computer can sense the direction in which the joystick is pointed, allowing it to control the movements of objects displayed on the computer screen.
A printer is a device that produces a hard copy (printed paper) of documents stored in electronic form, usually on physical print media such as paper. Printers are a common peripheral in computing, available in various types with differing technologies and capabilities.
