The history of computers
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The history of computers . Dr. John V. Atanasoff and Clifford Berry design and build the first electronic digital computer. Their machine, the Atanasoff-Berry-Computer, or ABC, provides the foundation for advances in electronic digital computers. 1937.

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The history of computers

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The history of computers

The history of computers


The history of computers

Dr. John V. Atanasoff and Clifford Berry design and build the first electronic digital computer. Their machine, the Atanasoff-Berry-Computer, or ABC, provides the foundation for advances in electronic digital computers.

1937


The history of computers

William Shockley, John Bardeen, and Walter Brattain invent the transfer resistance device, eventually called the transistor. The transistor would revolutionize computers, proving much more reliable than vacuum tubes.

1947


The history of computers

The IBM 305 RAMAC system is the first to use magnetic disk for external storage. The system provides storage capacity similar to magnetic tape that previously was used, but offers the advantage of semi-random access capability.

1957


The history of computers

Alan Shugart at IBM demonstrates the first regular use of an 8-inch floppy (magnetic storage) disk.

1968


The history of computers

Steve Wozniak and Steve Jobs build the first Apple computer. A subsequent version, the Apple II, is an immediate success. Adopted by elementary schools, high schools, and colleges, for many students the Apple II is their first contact with the world of computers.

1976


The history of computers

The IBM PC is introduced, signaling IBM's entrance into the personal computer marketplace. The IBM PC quickly garners the largest share of the personal computer market and becomes the personal computer of choice in business.

1981


The history of computers

World Wide Web Consortium releases standards that describe a frame work for linking documents on different computers.

1991


The history of computers

Microsoft releases Windows 95, a major upgrade to its Windows operating system. Windows 95 consists of more than 10,000,000 lines of computer instructions developed by 300 person-years of effort. More than 50,000 individuals and companies test the software before it is released.

1995


The history of computers

Handspring begins shipping the Treo™ communicator, a handheld computer with cellular telephone, e-mail, text messaging, and wireless Web capabilities.

2002


The history of computers

Information came from www.scsite.com


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