A keypad is a small, miniature board or physical panel consisting of a set of buttons, keys, or switches arranged in a compact grid, designed primarily to input numbers, symbols, and limited alphabetical text into an electronic device. Unlike a full-sized computer keyboard, keypads are typically dedicated to specific input tasks, such as dialing numbers on a telephone, entering security passcodes on door locks, operating automated teller machines, or controlling industrial machinery. In modern computing and smartphones, a keypad also refers to the virtual software-based number pad or dialer interface rendered on touchscreens, allowing users to interact with digital systems efficiently through tactile screen presses or finger taps.
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