A Brief History of Computers for the past Century

A timeline showing the history of computers, from the earliest computing devices to the most advanced computers of today

1939-10-09 00:00:00

The Atanasoff-Berry Computer

J.V. Atanasoff and his graduate student, Clifford Berry, design a computer that can solve 29 equations simultaneously. The first time a computer is able to store information on its main memory

1944-08-07 12:47:46

Harvard Mark 1

The IBM Automatic Sequence Controlled Calculator (ASCC), called Mark I by Harvard University's staff, was a general purpose electro-mechanical computer that was used in the war effort during the last part of World War II.

1946-02-14 18:22:43

EINAC is publicly announced

The Electronic Numerical Integrator and Calculator (ENIAC). Considered the grandfather of digital computers, was publicly revealed in the University of Pennyslvania

1947-11-17 21:55:40

Creation of the Transistor

Though not a computer, the invention of the Transistor paved the way for advancements in technology

1951-03-31 16:50:28

UNIVAC

The Universal Automatic Computer or UNIVAC was a computer milestone achieved by Dr. Presper Eckert and Dr. John Mauchly, the team that invented the ENIAC computer.

1952-04-29 22:58:49

IBM's 701

The IBM 701, known as the Defense Calculator was the first commercially successful general-purpose computer.

1954-07-10 05:02:35

FORTRAN

FORTRAN or formula translation was the first high level programming language ( software ) invented by John Backus for IBM in 1954, and released commercially in 1957.

1958-09-12 00:00:00

Integrated Circuit

An integrated circuit or monolithic integrated circuit (also referred to as an IC, a chip, or a microchip) is a set of electronic circuits on one small plate ("chip") of semiconductor material, normally silicon. This can be made much smaller than a discrete circuit made from independent components. ICs can be made very compact, having up to several billion transistors and other electronic components in an area the size of a fingernail.

1962-02-12 00:00:00

First Computer Game

The very first computer game, created by Steve "Slug" Russell, Martin "Shag" Graetz, and Wayne Wiitanen.

1964-07-12 00:00:00

Computer Mouse + GUI

Douglas Engelbart shows a prototype of the modern computer, with a mouse and a graphical user interface (GUI). This marks the evolution of the computer from a specialized machine for scientists and mathematicians to technology that is more accessible to the general public.

1969-04-09 00:00:00

APRAnet

The Advanced Research Projects Agency Network (ARPANET) was one of the world's first operational packet switching networks, was the precursor the the Internet

1970-10-13 00:00:00

Intel 1103

The newly formed Intel company publicly released the 1103, the first DRAM (Dynamic Random Access Memory) chip which is widely regarded as the chip that killed magnetic-core memory.

1971-03-21 00:00:00

Intel 4004

The first microprocessor invented by Intel engineers Federico Faggin, Ted Hoff, and Stanley Mazor.

1971-09-18 00:00:00

Floppy Disk

IBM introduced the first "memory disk", created by Alan Shugart

1973-03-01 00:00:00

Xerox Alto

The Xerox Alto, designed by Chuck Thacker was one of the first personal computers , a general purpose computer designed for individual use.

1973-11-27 00:00:00

Ethernet

Robert Metcalfe, a member of the research staff for Xerox, develops Ethernet for connecting multiple computers and other hardware.

1974-07-19 00:00:00

SCELBI 8H

Created by Nat Wadsworth and Bob Findley, the 8H was based on the Intel 8008 microprocessor.

1974-12-21 00:00:00

Altair 8800

The MITS Altair 8800, based on the Intel 8080 CPU, was an easy-to-customize personal computer, and also served as the flagship to Microsoft's first product, the Altair BASIC.

1975-09-16 00:00:00

IBM 5100

The IBM 5100 becomes the first commercially available portable computer.

1976-04-11 00:00:00

Apple 1

Steve Wozniak and Steve Jobs create the first single-circuit board computer, and also Apple's first product.

1977-06-10 00:00:00

Apple ||

Jobs and Wozniak unveil the successor to the Apple 1, the well acclaimed Apple ||

1977-08-03 00:00:00

TRS-80

The Tandy Radio Shack or TRS-80 was the first mass produced personal computers and is considered to be one of the most iconic computers.

1977-10-28 00:00:00

Commodore PET

Personal Computers developed around the MOS 6502 microprocessor.

1981-08-12 00:00:00

IBM Personal Computer

IBM introduced its PC, igniting a fast growth of the personal computer market. The first PC ran on a 4.77 MHz Intel 8088 microprocessor and used Microsoft´s MS-DOS operating system.

1981-08-12 00:00:00

MS-DOS

Created to accompany the IBM's Personal Computers, Microsoft launches it's first Operating System.

1982-07-21 00:00:00

Commodore 64

The Commodore 64, one of the most recognized computer systems, and the single most sold computer unit, is unveiled to the public.

1983-01-13 00:00:00

Apple Lisa

Apple’s Lisa is the first personal computer with a GUI. It also features a drop-down menu and icons.

1984-02-03 00:00:00

Apple Macintosh

The successor to Apple's Lisa, the Macintosh uses a similar GUI system, and used many similar functions, albeit a lower cost.

1985-03-25 00:00:00

First dot com domain

The first registered domain, used by Symbolics Computer Company, was Symbolics.com.

1985-11-20 00:00:00

Microsoft Windows

Microsoft's Windows was released in response to Apple's acclaimed Macintosh. It was not a critical success, although it started Microsoft on developing today's most used Operating System.

1987-04-13 00:00:00

IBM PS/2

IBM's Personal System 2 is officially unveiled, making the 3 1/2-inch floppy disk drive and video graphics array standard for IBM computers, and also featuring computer mice to IBM's computers.

1993-04-04 00:00:00

Pentium Microprocessor

The Intel Pentium Microprocessor, dubbed P5, was released, significantly increasing the quality of graphics and sound quality of computers.

1993-08-01 00:00:00

HTML

Tim Berners-Lee develops the HyperText Markup Language, giving rise to the use of the worldwide web.

1994-01-01 00:00:00

Gaming Wave

The increase in computer graphics quality give rise to an increased use in computer as gaming consoles.

1999-01-01 00:00:00

Wi-Fi

Wireless Fidelity, or Wi-Fi, became a household term. In 1999, the Wi-Fi Alliance formed as a trade association to hold the Wi-Fi trademark under which most products are sold.

A Brief History of Computers for the past Century

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