The first mechanical computer was the Difference Engine built in 1822 by Charles Babbage, considered as the "father of the computer." Between 1847 and 1849, he made an improved version of his first model, which he called Difference Engine No. 2. However, the machine was not transformed into a full-scale functional device due to lack of funding.Know More
The Difference Engine did not resemble the modern computers of today. It was massive and consisted of up to 25,000 components. The machine weighed 15 tons and was 8 feet tall.
In 1991, the London Science Museum completed the Difference Engine No. 2 to commemorate the bicentennial of Babbage's birth year.Learn more about Computer History
Charles Babbage invented the first mechanical computer, called the Difference Engine, in 1821 and completed it in 1832. The Difference Engine could perform simple calculations and compile mathematical tables. Babbage later conceived the Analytical Engine, a device that could perform any calculation, but was unable to construct a prototype during his lifetime.Full Answer >
The IBM personal computer contained the first motherboard, which was referred to as the “breadboard” and was released in 1981. The breadboard provided a platform for the computers RAM and CPU and also had ports for a keyboard, mouse and cassette tape.Full Answer >
The invention of the first tablet PC, or personal computer, is credited to three men: Alan Kay, Steve Jobs and Bill Moggridge. Computer specialist Kay created the concept for the tablet PC in the early 1960s, which he called the Dynabook, but need technical expertise to build the product. Technical enthusiast Jobs analyzed Kay’s product in the 1970s, and lent a hand in determining the components needed to build the machine.Full Answer >
The United States was responsible for the idea of the Internet. The idea can be traced back to 1962, when J.C.R. Licklider, the head of the computer research program at DARPA, proposed the concept of a "Galactic Network".Full Answer >