Ultra-Large Scale Integration (ULSI) increased that number into the millions. Ability to install so many components in a half-sized pieces of metal coins helped diminish the size and price of the computer. It also increased power, efficiency and reliability of the computer. Intel 4004 chip that was made in 1971 to bring progress to the IC by putting all the components of a computer (central processing unit, memory, and control input / output) in a chipvery small. Such developments allow ordinary people to use a regular computer. Computers no longer a dominance of large companies or government agencies. In the mid-1970s, computer assemblers offer their computer products to the general public. These computers, called minicomputers, sold with a software package that is easy to use by the layman. The most popular software at the time was word processing and spreadsheet programs. In the early 1980s, such as the Atari 2600 video game attracted the attention of consumers on a more sophisticated home computer and can be programmed.
In 1981, IBM introduced the use of Personal Computer (PC) for use in homes, offices, and schools. The number of PCs that use jumped from 2 million units in 1981 to 5.5 million units in 1982. Ten years later, 65 million PCs in use. Computers continued evolution towards smaller size, of computers that are on the table (desktop computer) into a computer that can be inserted into the bag (laptop), or even a computer that can be held (palmtop).
IBM PC to compete with Apple's Macintosh in getting the computer market. Apple Macintosh became famous for popularizing the graphical system on his computer, while his rival was still using a text-based computer. Macintosh also popularized the use of mouse devices.
At the present time, we know the journey IBM compatible with CPU usage: IBM PC/486, Pentium, Pentium II, Pentium III, Pentium IV (series of CPUs made by Intel). Also we know AMD K6, Athlon, etc.. This is all included in the class of fourth-generation computers.
Some kind of Fourth Generation Computer is:
Micropocessor
One of the many contributions in the appearance of the next generation of computers is the microprocessor. Microprocessor contained in a single silicon chip. Mikroprocessor first demonstrated by Texas Instruments in 1971. The price could be a few dollars and can be found on anything, from engines to satellites.
Microcomputer
It is a tool that small processors, relatively inexpensive, but high performance. Microprocessor 'contained' in a computer called microcomputers. While allowing the use of microcomputers in small business and personal. Microcomputer also usually called personal computers (PCs).
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