-
Period: to
First Generation of Computers
The first generation computers were huge, slow, expensive, and often undependable. -
Complex Number Generator
George Stibitz, of AT&T's Bell Telephone Laboratories, created the Complex Number Calculator, the world's first electrical digital computer, -
ENIAC (Electronic Numerical Integrator And Computer)
ENIAC was the first electronic general-purpose computer, capable of being reprogrammed to solve a full range of computing problems. The completed machine was announced to the public the evening of February 14, 1946. -
UNIVAC I (UNIVersal Automatic Computer I)
The UNIVAC I (UNIVersal Automatic Computer I) was the first commercial computer produced in the United States. It was designed principally by J. Presper Eckert and John Mauchly, the inventors of the ENIAC. -
IBM 701
The IBM 701, known as the Defense Calculator while in development and was IBM’s first commercial scientific computer. -
Period: to
Second Generation of Computers
Transistors replaced vacuum tubes and ushered in the second generation computer. -
IBM 1401
The IBM 1401 was a variable wordlength decimal computer. It was the first member of the highly successful IBM 1400 series, it was aimed at replacing electromechanical unit record equipment for processing data stored on punched cards. -
Period: to
Third Generation of Computers
The development of the integrated circuit was the hallmark of the third generation of computers. Transistors were miniaturized and placed on silicon chips, called semiconductors, which drastically increased the speed and efficiency of computers. -
HP 2115
The HP 2115 was a minicomputer produced by Hewlett-Packard (HP), and would be the starting point for a line of desktop computers. -
Period: to
Fourth Generation of Computers
The microprocessor brought the fourth generation of computers, as thousands of integrated circuits we rebuilt onto a single silicon chip. -
Apple I
The original Apple Computer, also known retroactively as the Apple I, or Apple-1, is a personal computer released by the Apple Computer Company (now Apple Inc.) in 1976. They were designed and hand-built by Steve Wozniak. Wozniak's friend Steve Jobs had the idea of selling the computer. The Apple I was Apple's first product, and to finance its creation, Jobs sold his only means of transportation, a VW van and Wozniak sold his HP-65 calculator for -
Apple Lisa
The Lisa is the first commercial computer with a GUI, or Graphical User Interface designed by Apple Computer INC. Prior to the Lisa, all computers were text based - you typed commands on the keyboard to make the system respond. Now, with the Lisa, you just point-and-click at tiny pictures on the screen with a small rolling device called a 'mouse'. -
Toshiba Libretto
The Libretto is a line of subnotebook computers designed and produced by Toshiba. The line was distinguished by its combination of functionality and small size, squeezing a full Windows PC into a device the size of a Paperback book. It was the world’s smallest commercially available Windows PC at the time. -
Blackberry 2002
This is one of the first BlackBerry models that had a built-in mobile phone, and transmitted data over the normal 2G cellular network. -
MacBook Pro
The MacBook Pro is a line of Macintosh portable computers introduced by Apple Inc. -
Iphone
The iPhone is a line of smartphones designed and marketed by Apple Inc. It runs Apple's iOS mobile operating system. The user interface is built around the device's multi-touch screen, including a virtual keyboard rather than a physical one. The iPhone has Wi-Fi and cellular connectivity. -
Ipad
The iPad is a line of tablet computers designed and marketed by Apple Inc. The iPad runs Apple's iOS operating system. The user interface is built around the device's multi-touch screen, including a virtual keyboard rather than a physical one. The iPad has Wi-Fi and cellular connectivity. An iPad can shoot video, take photos, play music, send and receive email, and browse the web. Other functions—games, reference, GPS navigation, social networking, -
IBM PS/2
The Personal System/2 or PS/2 was IBM's third generation of personal computers released in 1987. The PS/2 line was created by IBM in an attempt to recapture control of the PC market by introducing an advanced yet proprietary architecture.
