Keyword Analysis & Research: what does input and output mean in coding

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
what does input and output mean in coding	1.96	0.3	526	26	41
what	1.57	0.9	7064	57	4
does	1.26	0.7	2987	86	4
input	1.89	0.7	793	60	5
and	0.19	0.5	9854	40	3
output	0.28	0.9	7824	80	6
mean	1.63	0.6	5154	89	4
in	0.24	0.5	9094	9	2
coding	1.57	0.9	5095	70	6

Keyword	CPC	PCC	Volume	Score
what does input and output mean in coding	0.46	0.9	7381	26