computers

Computer are classified in terms of Brand also. Many companies are involved in manufacturing of computer throughout the world. Many brands of computers are available in the market. On the basis of brand the following three categories are available.
1. IBM
2. IBM Compatibles
3. APPLE/Macintosh

1. IBM PC (International Business Machine Personal Computer)
IBM is one of the leading companies of the world in manufacturing computers, which established in 1924 in USA. In the beginning. IBM manufactured mainframe computers followed by mini and microcomputers. The computers manufactured by IBM are called as IBM computers or IBM brand computers. Personal computer (PC) is the most important type of microcomputer. The microcomputers manufactured by IBM company are called as IBM PC. These computers are more reliable, durable and have better quality and the cost originally was very high but now-a-days the cost has gone down.

2. IBM compatibles
A computer that has the same functional characteristics and the principles of IBM computers are called as IBM compatibles. The basic architecture is similar to IBM PC excepting few technologies. All the software and program, which run in IBM computers, can equally run in IBM compatibles. IBM compatible computers are cheaper and their parts are easily available in the market. Therefore, they are popular in the world. Most of the microcomputers used in Nepal are IBM


3 APPLE/Macintosh computers
The computer manufactured by Apple company with different architecture is called as Apple or Macintosh computer. This company was established in USA in 1970s. The Apple computers have their own software and hardware. These computers are in some way different from IBM computers and the software used in Apple computers does run in IBM computers. Apple company manufactured new brand of computers popularly known as Macintosh. In Nepal, most of the desktop publishing houses use Apple/Macintosh because they are very easy to handle and the graphic print that we get is of better quality.