"input" - key terms from Wikipedia

ac input
audio stream input
basic input
chinese input
clock input
differential input
heat input
input
input	and output
input	bit
input	bundle
input	current
input	currents
input	data
input	device
input	devices
input	factors
input	file
input	function
input	growth
input	impedance
input	jack
input	lag
input	method
input	methods
input	offset voltage
input	output
input	panel
input	port
input	power
input	resistance
input	shaft
input	signal
input	size
input	source
input	stage
input	stream
input	string
input	symbol
input	tax
input	variables
input	vat
input	voltage
inverting input
sensory input
standard input
user input
variable input
visual input
when the input