Alphanumeric Keyboard
A very common, general purpose, input device that allows text (abc…), numbers (123…) and symbols (%$@...) to be entered into a computer.
A keyboard is simply a set of buttons. Each button has a symbol assigned.
A keyboard is simply a set of buttons. Each button has a symbol assigned.
Numeric Keypad
A small keyboard that only has numbers.
Used to enter numeric data into computers such as those in ATMs.
Most computer keyboards have a numeric keypad on the right side, and most mobile phones (there are also computers) have a one for entering phone numbers, etc.
Used to enter numeric data into computers such as those in ATMs.
Most computer keyboards have a numeric keypad on the right side, and most mobile phones (there are also computers) have a one for entering phone numbers, etc.
PIN Pad
This is a device with a numeric keypad used to enter a person’s Personal Identity Number (PIN) e.g. when paying with a credit card.
PIN pads are also found on electronic door locks – you enter a PIN to unlock the door.
PIN pads are also found on electronic door locks – you enter a PIN to unlock the door.
