1970's Computer Inventions

Intel 1103 Dynamic RAM Chip

1970

Year: 1970.
Invention: First available Dynamic RAM Chip.
Inventor: John Reed.
Brief description of the invention: The Intel 1103 Dynamic RAM Chip is the program code needed by a computer processor to function. This is how we can use ours PC's today.

Intel 4004 Microprocessor

1971

Year: November 1971.
Invention: Single-chip Microprocessor.
Inventor: Federico Faggin, Ted Hoff, and Stanley Mazor.
Brief description of the invention: The Intel 4004 was the first time a complete Central Processor Unit was built into one chip. This invention also is what made programming intelligence become possible.

Ethernet

May 22, 1973

Year: 1973.
Invention: Ethernet.
Inventor: Robert Metcalfe.
Brief description of the invention: The Ethernet is a system for connecting computers within a building using hardware running from machine to machine. Ethernet is now how we hard wire all computers worldwide and creates the fastest signal.

VisiCalc Spreadsheet

1979

Year: 1979.
Invention: First computer spreadsheet.
Inventor: Dan Bricklin & Bob Frankston.
Brief description of the invention: VisiCalc allowed users who created financial projectors to change one cells number and the entire sheet then would be automatically recalculated. It was even said that before this program it would take users 20 hours of work to do and now changed to only 15 minutes with this program.

WordStar Word Processor

1979

Year: 1979.
Invention: First Word processing software program.
Inventor: Seymour Rubenstein and Rob Barnaby.
Brief description of the invention: Word processing is a software program that allowed people to write, edit, and produce documents by using a computer. Before this people had to write everything down on paper or typewrite it. To this day we use word processing software's.