Definition

Noun: 1. A small set of buttons or keys arranged in a block, used for entering data or commands into a machine. A keypad is a data input device, often with keys arranged in a grid. It is commonly found on telephones, security systems, remote controls, and as a numeric section on a computer keyboard.

Usage

• The primary function of a keypad is for numeric or command entry.
• It is often contrasted with a full keyboard, as it typically contains only a limited set of keys (e.g., numbers 0-9, asterisk *, pound #, and function keys).
• Keypads are used for tasks like dialing phone numbers, entering PINs, or inputting numerical data.

Examples

• Noun:
  • Please enter your four-digit PIN using the keypad.
  • The security system requires a code to be typed on the door's keypad.
  • The remote control has a numeric keypad for directly entering channel numbers.

Advanced Usage

• "Touch-tone keypad": Specifically refers to the DTMF (Dual-Tone Multi-Frequency) keypad on telephones that produces different tones for each key press.
  • The automated system asked me to make a selection using my touch-tone keypad.
• "Numeric keypad" or "number pad": Often refers to the section on the right side of a standard computer keyboard.
  • She used the numeric keypad to quickly enter the spreadsheet data.

Variants and Related Words

• Keypad itself is a compound noun (key + pad). There are no common verb or adjective forms.
• Keyboard (n): A broader input device containing a full set of alphanumeric keys, often including a keypad as one of its sections.

Synonyms

• Number pad
• Numeric keyboard
• Dial pad (specifically for telephones)

Related Phrases

• "Keypad entry": The act of inputting data via a keypad.
  • Keypad entry is required to arm the alarm.
• "Keypad lock": A feature that disables the keypad to prevent accidental input.
  • I activated the keypad lock on my phone.

Noun

1. a keyboard that is a data input device for computers; arrangement of keys is modelled after the typewriter keyboard