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First programmable computer
The Z1 originally created by Germany's Konrad Zuse in his parents living room in 1936 to 1938 is considered to be the first electrical binary programmable computer. -
The First Digital Computer
Short for Atanasoff-Berry Computer, the ABC started being developed by Professor John Vincent Atanasoff and graduate student Cliff Berry in 1937 and continued to be developed until 1942 at the Iowa State College (now Iowa State University). On October 19, 1973, US Federal Judge Earl R. Larson signed his decision that the ENIAC patent by Eckert and Mauchly was invalid and named Atanasoff the inventor of the electronic digital computer. -
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 about 1,800 square feet and used about 18,000 vacuum tubes, weighing almost 50 tons. Although the Judge ruled that the ABC computer was the first digital computer many still consider the ENIAC to be the first digital computer. -
The First Stored Program Computer
The early British computer known as the EDSAC is considered to be the first stored-program electronic computer. The computer performed its first calculation on May 6, 1949, and was the computer that ran the first graphical computer game. -
The First Computer With RAM
MIT introduces the Whirlwind machine on March 8, 1955, a revolutionary computer that was the first digital computer with magnetic core RAM and real-time graphics. -
The First Transistor Computer
The TX-O (Transistorized Experimental computer) and first transistorized computer is demonstrated at the Massachusetts Institute of Technology in 1956. -
The First Minicomputer
In 1960 Digital Equipment Corporation released its first of many PDP computers the PDP-1. -
The First Personal Computer
In 1975 Ed Roberts coined the term personal computer when he introduced the Altair 8800. Although the first personal computer is considered to be the Kenback-1, which was first introduced for $750 in 1971. The computer relied on a series of switches for inputting data and output data by turning on and off a series of lights. -
The First Workstation
Although never sold the first workstation is considered to be the Xerox Alto, introduced in 1974. The computer was revolutionary for its time and included a fully functional computer, display, and mouse. The computer operated like many computers today utilizing windows, menus, and icons as an interface to its operating system. -
The First Laptop Or Portable Computer
The IBM 5100 is the first portable computer, which was released in September 1975. The computer weighed 55 pounds and had a five-inch CRT display, tape drive, 1.9MHz PALM processor, and 64KB of RAM.
The first truly portable computer or laptop is considered to be the Osborne I, which was released in April 1981. The Osborne I was developed by Adam Osborne and weighed 24 pounds, had a 5-inch display, 64 KB of memory, two 5 1/4" floppy drives, and a modem. -
The First Apple Computer
Steve Wozniak designed the first Apple known as the Apple I computer in 1976. The first computer company The first computer company was the Electronic Controls Company and was founded in 1949 by J. Presper Eckert and John Mauchly, the same individuals who helped create the ENIAC computer. The company was later renamed to EMCC or -
The First PC Computer
On April 7, 1953, IBM publicly introduced the 701, its first electric computer and the first mass-produced computer. Later IBM introduced its first personal computer called the "IBM PC" in 1981. The computer was code named and still sometimes referred to as the "Acorn" and had an 8088 processor, 16 KB of memory, which was expandable to 256 and utilizing MS-DOS. -
The First PC Clone
The first PC clone was developed by Compaq, the "Compaq Portable" was released in March 1983 and was 100% compatible with IBM computers and software that ran on IBM computers. See the below other major computer companies first for other IBM compatible computer -
The First Multimedia Computer
In 1992 Tandy 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.