Keyword Analysis & Research: which operating system was released first

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
which operating system was released first	1.42	0.1	1538	89	41
which	1.98	0.1	1295	79	5
operating	0.51	0.6	2664	76	9
system	0.01	0.5	1805	27	6
was	1.4	0.6	3838	14	3
released	0.49	0.9	5067	40	8
first	1.33	0.2	7018	94	5

Keyword	CPC	PCC	Volume	Score
which operating system was released first	1.9	0.9	6373	7
when was the first operating system released	1.24	1	5567	98
first windows operating system released	0.37	0.2	7989	12
disk operating system was first released by	1.19	0.4	9988	33
when was first operating system developed	1.32	1	9605	7
which is the first operating system	1.64	0.6	9152	80
when was the first operating system built	0.58	0.9	6748	77
when was the first operating system develop	1.91	0.2	4049	16
first operating system developed by microsoft	0.33	0.5	316	3
who made the first operating system	1.15	0.7	2820	61