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The first cassette was developed by Philips Company in Belgium. They were first released in the UK and then the following year they came to the US. The tapes were made to record voices and dictation, not music -
The touch-tone phone replaced the slow and old pulse dial system making it easier for people to make calls. -
The mouse was invented by Douglas Engelbart. It consisted of a wooden shell,circuit board, and two metal wheels that came into contact with the surface. -
Created by Duane Pearsall and Stanley Bennette Peterson. They named the "Smoke Gard700". These were made out of fire-resistant Steel and helped families stay safe from fires or any kind of smoke. -
DRAM (Dynamic Random Access Memory) was invented by Robert Dennard. This is memory storage that is found in electronics like computers.Ram holds temporary yet important information for the computer to receive.