OUTPUT DEVICE

Output yielded from data processing can be classified into 4 kinds of form :

1. Article, consisted of the letter, word, number, special character and other symbol.
2. Image, in a graph or draw.
3. Voice, in the form of music or verbal.
4. Form which can be read by machine (machine - readable form), in the form of symbol which can only be read and understood by computer.

Three first faction is output which can be used direct by human being, faction is fourthly is usually used as by a input to be processed or as input for the computer of other.

To get the forms output is hence required by a appliance to present it, that is appliance output. Output device can the in form of as follows:

1. Hard copy the device, in the form of appliance used to print the article (word, number, special character, and symbol). And also image (graph or draw) at media hard of like for example paper or film.
2. Soft copy the device, in the form of appliance used to present the article (word, number, special character, and symbol-symbol). And also image (graph or draw) at media soft which is in the form of signal electronic.
3. Drive Device or driver. In the form of device used for the record of symbol in the form of which can only be read by machine (machine - readable form) at media of like for example disk of magnetic or tape magnetic. Activator appliance of like this double function, as a means of output also as a means of input.

Output of is in form of hard copy in character permanent and more portable. Device of Output hard copy the device which common used is printer classified by into two categories of impact printer and non impact printer. Output device hard copy the other device is plotter and computer output to microfilm. While soft copy the device can be in the form of the video display, flat panel and speaker. Drive Device utilizing media of disk magnetic is disk drive, while utilizing media of tape magnetic is tape drive.