Main Entry: 1key·board
Pronunciation: 'kE-"bOrd, -"bord
Function: noun
Date: 1819 1: a bank of keys on a musical instrument (as a piano)
that usually consists of seven white and five raised black keys to the
octave 2: an assemblage of systematically arranged keys by which
a machine or device is operated 3: a board on which keys for locks are hung
Main Entry: mo·dem
Pronunciation: 'mO-"d&m, -"dem
Function: noun
Etymology: modulator + demodulator
Date: circa 1952 : a device that converts signals produced by one type of device
(as a computer) to a form compatible with another (as a telephone)