Computer is a tool used to process the data according to the procedures that have been formulated. In the operation of the computer, there are three important part of the  computer that need to know is: hardware, brainware, and software.

1. Hardware

Hardware are electronic devices that inanimate objects in nature, or any physical part of computer that is attached to form a computer system. Hardware is one element of a computer system, a tool that can be seen and touched by human directly, which supports the process of computerization, for example: chasing, hard disk, memory, motherboard, etc. This equipment is generally quite sophisticated. It can work on existing commands to it, which is also called the instruction set. With the commands which is understood by the machine, then the command to perform various activities to the machine which is understood by the machine so the machine can work on the command structure obtained by it. (more…)

In this era technology have been developing. Hardly in every sectors or jobs use technology. One of the proof of the development of technology is computer. At first computer is just used to compute because seeing the function. Now, computer is not only to compute, but has so many function than before. A computer can be used to typing, drawing, listening music, watching video, etc. Even, hardly in every job use computer, included in making a product also use computer. By computer a machine can run like robot based on commend which is given to the machine.

After we know that computer is very useful, of course we have to be able to operate it. At least we can operate Microsoft Office which contains Microsoft Word, Microsoft Excel, and Microsoft Power Point. So the question is why we should be able to operate them? The reason is because they are very common used in some jobs or departments, like in school or collage, office, courses, secretary, bank employee, and soon. And if we gave attention to now, many companies offer some jobs with one of the qualifications is can operate Microsoft Office. (more…)