Simplify the following text for a Grade 10 native English-speaking person.
Original: In the 1970s , integrated circuit technology and the subsequent creation of microprocessors , such as the Intel 4004 , further decreased size and cost and further increased speed and reliability of computers .
Simplified: In the 1970s , technologies were based on integrated circuits . Microprocessors , such as the Intel 4004 made computers smaller and cheaper .