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First programmable computer
The Z1 originally created by Germany's Konrad Zuse in his parents living room in 1936. It was a binary driven mechanical calculator with limited program reading instructions from punched tape -
The first digital computer
Atanasoff-Berry Computer, or the ABC for short was he first digital computer developed by Professor John Vincent Atanasoff and graduate student Cliff Berry the ABC was developed from 1937 to 1942 at the Iowa State College being the first of its kind but Eckert and Mauchly creator of the ENIAC said they created the first digital computer but US Federal Judge Earl R. Larson ruled in favor of Atanasoff -
The ENIAC
The ENIAC was invented by J. Presper Eckert and John Mauchly at the University of Pennsylvania and began construction in 1943 and was not completed until 1946. It occupied a space about 1,800 square feet and used about 18,000 vacuum tubes weighing almost 50 tons thought the ABC was the first digital computer some still believe that the ENIAC was first -
The first stored program computer
The EDSAC also know as the early British computer is considered to be the first stored program electronic computer. The computer performed its first calculation on May 6, 1949 also know for being the first computer to run the first graphical computer game. -
The first PC (IBM compatible) computer
On April 7, 1953 IBM publicly introduced the 701 the first electric computer and first mass produced computer. -
The first computer with RAM
In 1955 MIT introduced the Whirlwind machine a revolutionary machine that was the first digital computer with magnetic core RAM and real-time graphics. -
The first transistor computer
Transistorized Experimental computer or TX-O was the first transistorized computer is demonstrated at the Massachusetts Institute of Technology in 1956 . With very large core memory systems, the TX-O was essentially a better version of the Whirlwind -
The first minicomputer
The Digital Equipment Corporation released its first of many PDP computers in 1960 the PDP-1 uses an 18-bit word size and has 4096 words as standard main memory. -
The first workstation
The Workstation the Xerox Alto, introduced in 1974. The computer was revolutionary for its time and included a fully functional computer, display, and mouse although this computer was never sold in stores it still was a big advancement in computer technology. -
The first personal computer
Ed Roberts in 1975 coined the term personal computer when he introduced the Altair 8800 although the first personal computer is considered to be the Kenback-1 the Altair 8800 is considered the first -
The first laptop or portable computer
The first portable computer the IBM 5100 released on September 1975. this computer weighed 55 pounds and had a five inch CRT display, tape drive, 1.9MHz PALM processor, and 64KB of RAM. -
The first Apple computer
Steve Wozniak designed the first Apple known as the Apple I computer in 1976 . The Apple I was Apple's first product. Apple I's built-in computer terminal circuitry was distinctive. All one needed was a keyboard and a television set. -
The first PC clone
The Compaq Portable the first PC clone developed by Compaq was release in March 1983 and was 100% compatible with IBM computers and software that ran on IBM computers. With a 8088-CPU computer that ran a Microsoft DOS as a PC "work-alike", but contained a reverse-engineered BIOS, -
The first multimedia computer
The Tandy in 1992 Radio Shack becomes one of the first companies to release a computer based on the MPC standard with its introduction of the M2500 XL/2 and M4020 SX computers.
