What were the first computers?
Early computers were huge matters that often filled the whole rooms. In the 1950s, however, early technologists predicted that within a few decades these monsters would be small enough to fit on the table, and common enough to own everyone. Unlike many other extremely optimistic forecasts of the era, it soon turned out. At the end of the 60s, however, the army began to invest significantly in smaller computers for use in fighter aircraft. In 1970, the microprocessor was essentially invented, drastically reduces the amount of size needed for the computer processor and opens the door to smaller and smaller computers. They were small enough to fit on the desktop, but for any normal consumption disproportionately expensive, which is somewhat different from the modern concept of PC. Within a few years, however, the technology ran down and the first computers began to be created in the cellars and garages of fans.
in rocE 1975 was released as a mass production kit by Altair, a year after the less complete sets such as Mark 8 were released. These trains became extremely popular, with two programmers, Paul Allen and Bill Gates and their Micro-Soft. A year later, Stephen Wozniak and Steven Jobs launched their own personal computer store, Apple Computer Company, as well as a set along the Altair lines. A year later, the company released a pre -assembled version of its computer Apple II, which became a success virtually overnight.
In 1981, International Business Machine (IBM) decided to enter the personal computer. With their massive sources and decades of experience in creating indoor computers, they released their own desktop, which they called the PC 5150. This was the first extended use of the term PC, although it was only one of the first computers.
These first computers were far from today's computers but had a surprising numbersimilarities. The Altair 8800 was a motherboard with a number of slots for different cards that held things like memory and CPU. On the front of the computer was a board with different switches and lights, to enter binary data directly to the computer and vision of immediate feedback. The use of these first computers essentially consisted of entering complex programs into the computer by switching switches in specific sequences.
A few years before the Altair 8800 was another of the first PC, which, although it did not achieve widespread fame, implemented a number of important features that would later affect personal computers as a whole. Xerox Alto was released in 1972 and had functions such as a graphical user interface, the idea of a desktop on which they sat different items, and a mouse to interact with a flat. Although Alto eventually disappeared into relative confusion, many of the ideas it introduced would later rise in Apple computers and eventually on computers as a whole.
By 1977 were the first computer computersThe looking modern computer and at the beginning of the 80s. They had most of the functions, albeit in less aesthetic and reduced capacity. Mice, full keyboard, disk drives and RAM were found on popular computers such as Apple Macintosh, Xerox Star and Atari St. The color has been widely introduced at the moment, and over the years the hardware has become more robust, the software has become more efficient, and the Internet offered expanded connectivity and forever transformed these first computers into modern machines that dwarf even the most powerful 70 supercomputers.