Some people have a negative response to the computer, perhaps to play on several factors such as players who have spent a lot of time just to play games on the computer is caused to disappear, and other data. Available, but there are so many positive things and benefit from the study of computers.

Some of the advantages of computer-based studies, namely:

1. Can use the internet effectively, So many things can go on the internet, which can connect a global network. Internet can help you get information, to find the latest news, pictures, get the money.

2. Computers can solve common problems, problems that often occur at the beginning of the computer, it would be nice if we could solve alone.

3. Hardware and new software keeps popping up – to update the system. if you know about the upgrade system, how to keep abreast of new technologies?

4. Can you protect your computer against attacks – viruses, spam, hackers and attackers now roam anywhere, anytime, without realizing it can attack your computer. If you know how to avoid them, then it is likely you are to develop a computer will be safe from the vandal attack computer networks.

5. computer technology to assist a variety of jobs including police executives, companies, politicians, doctors, artists, and many others. This technology will be useful for all their work. remember without the technology then you will lose your job.

This unit can be given commands in it, or work orders are also set. Commands that can be understood by the hardware, the device can perform many activities that have been set by the command.

In its simplest form, the computer consists of several components, which is a system. for system components work together to form a unit.

The basic components of a computer consists of an input space, the input device comprises a keyboard and mouse, the components of the microprocessor, managing the output device on the monitor and printer, external storage consists of hard drives, floppy drives, CD-ROM, magnetic tapes. The internal memory consists of RAM and ROM. Although there are no additional components before levying such as this example: TV tuner card, modem, video capture card.

Input devices

This device serves as a way to process external data into memory and processor, integrate to produce the required information. Input devices or input unit which is generally used personal computer keyboard and mouse, keyboard and mouse is a device connected to the computer user. In addition, there is a joystick that can be used to play the game or the game will use a computer. Then as a digital image scanner that can be taken and manipulated. Touch the screen with the touch of finger users can access the file, Microphone to record sound into the computer.