The 1970s brought the microprocessor revolution with smaller, faster, and cheaper integrated circuits packing all the components necessary for a fully functional system in one to three individual chips.

Year	Qt	Intel	National	NEC	Rockwell	Motorola	Toshiba	Mostek	GI	AMI	Hitachi	Fairchild	TI	RCA	Signetics	AMD	EA
1971	1Q											PPS-25
	2Q
	3Q
	4Q	4004
1972	1Q	8008
	2Q				PPS-4
	3Q
	4Q
1973	1Q		IMP-16	uPD751
	2Q						T3472
	3Q			μCOM 4
	4Q
1974	1Q	8080		IMP-8				5065					TMS1000
	2Q					6800	T3190
	3Q	3000					TLCS-12		CP1600
	4Q	4040									IMP-4
1975	1Q				PPS-8					9209	HD35404	F8
	2Q			μCOM 80										COSMAC 1801	2650
	3Q			μCOM 16	PPS-4/2									COSMAC 1802		Am9080
	4Q
1976	1Q		SC/MP														EA9002
	2Q			μCOM 41			T3412				HMCS-6800		TMS9900
	3Q
	4Q