Galleries US History XX Century

15 most influential inventions in the 20th century


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Computer Technology

Source. commons.wikimedia.org

1970 — RAM —  In 1970,Intel introduces the world’s first available RAM (random-access memory) chip along with the first microprocessor called the Intel 4004. 

1975 — First Portable Computer — In September 1975, the first portable computer called the IBM 5100 was released.

1976 — First Apple Computer — In 1976, Steve Wozniak developed and released the first Apple 1 computer.

1981 — First Laptop Computer — In April 1981, the first laptop computer called Osborne 1, created by Adam Osborne was released.

Today, almost everyone uses this multifunctional invention, and with each passing year, the computers become faster and attain more memory function.


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