Computer History

Fourth Generation

After IC, the development becomes more clear: decrease the size of circuits and electrical komponenkomponen. Large Scale Integration (LSI) can contain hundreds of components on a chip. In the 1980s, Very Large Scale Integration (VLSI) to load thousands of components in a single chip.

Ultra-Large Scale Integration (ULSI) increase the amount to be millions. The ability to install so many components in a chip that berukurang half chip coin encouraging decline in the price and size of the computer. It is also working to increase power, efficiency and keterandalan computer. Intel 4004 chip that is made in the year 1971 brought progress in the IC by placing all the components of a computer (central processing unit, memory, and input / output) in a chip that is very small. Previously, the IC is made to do a particular task-specific. Now, a mikroprosesor can be manufactured and then programmed to meet all the needs you want. Not long after that, each household devices such as microwave oven, television, dn cars with electronic fuel injection equipped with mikroprosesor.

That allows the development of such ordinary people to use the computer normally. Computers no longer be dominated large companies or government agencies. In the mid-1970s, computer perakit computer products they offer to the public. Computers, which called minikomputer, sold with a software package that is easy to use by the general public. Software is most popular at the time the program is a word processing and spreadsheets. In the early 1980s, video games such as Atari 2600 to attract consumers on the home computer is more sophisticated and can be programmed.

In the year 1981, IBM introduced the Personal Computer (PC) for use in homes, offices, and schools. The number of PCs in use jumped from 2 million units in 1981 to be 5.5 million units in 1982. Ten years later, 65 million PC use. Computer to continue the evolution toward smaller sizes, from computers that are on the table (desktop computer) to a computer that can be inserted in the bag (laptop), or even a computer that can be (palmtop).

IBM PC to compete with Apple Macintosh computers in memperebutkan market. Apple Macintosh became famous because popularize the system in the computer graphics, saingannya while still using the text-based computer. Macintosh also popularize the use of tools mouse.

At the present, we know the IBM compatible with the CPU: IBM PC/486, Pentium, Pentium II, Pentium III, Pentium IV (Serial of Intel-made CPU). Also, we know AMD K6, Athlon, etc.. This all fit in the fourth generation of computers.

The growth in line with the use of computers in the workplace, new ways to continue to excavate potential to be developed. Along with the increased strength of a small computer, komputerkomputer can be linked together in a network to share a memory, software, information, and also to each other can communicate with each other. Computer network allows the computer to a single electronic form of cooperation to complete the task of a process. By using the direct perkabelan (also called a local area network, LAN), or telephone cable, the network can be developed into very large.