FACSIMILE MACHINE (FAX)

Facsimile or commonly known as fax, derived from the word 'fac simile' (make-similar) in Latin, which means making a copy of the same to the original. In other areas, the fax machine can also be called a telecopier. Fax machine is a communications device that is used to transmit a document by using a device that is capable of operating over the telephone network with results similar to the original.

While According A.G. Pringgodigdo, fax machine is a wireless transmission system for drawings and graphics by regulating the beam of light and the photoelectric cell and change the lightest and darkest parts of a material that can be emitted in the sound, then the receiver will turn back as the original to the paper which has been scientifically processed. In addition to submitting the document, the fax machine is also capable of delivering the image of half tone images with the facility. Fax machine usually consists of a modem, copier, scanner images, and the data display devices (printers).

TYPEWRITER

Typewriter or typewriter is a machine, or an electronic device with a set of keys that, when pressed, causes the letters printed on the document, usually paper. From the beginning of his invention prior to 1870 until the 20th century, typewriters widely used by professional writers and workers in the office. Since then, the typewriter has become part of the company's business and become a commercial product worldwide. Although still popular with some professions, such as author, typewriter functions have been distracted by the presence of other machines. In the late 1980s, word-processing machines and personal computers (personal computer) has replaced the typewriter function in several countries in the western world. However, typewriters are still used in certain countries in the world today.