Scanner

In a computer system, scanner is an input device that serves as a producer of digital images (image digitizer). How a scanner to read the picture there are similarities with the copy machine, but unlike the copy of the form in which the readings are printed in sheets of the image is read, the scanner will display the results on screen to be stored as a digital file.

Scanner itself in the field of engineering is a term for a tool that is able to read the forms or physical properties of an object, such as two-dimensional objects, three-dimensional shape of objects, the temperature of an area of ​​land, the condition of the human brain, human body temperature, and so forth. For example in the field of medicine known tool CT Scan (Computed tomography scan) is a tool that can generate two or three-dimensional picture of the state of the patient's body.

For personal use, the use of the scanner is common as a store of images, whether photographs, important documents such as diplomas, or news from newspapers in the form of digital files. If it is necessary that the digital file can be printed at any time. So if you have a photo, securities, or simply from a magazine article that you think is important, and you do not want to lose data, it helps you save them as digital files.

In the field of multimedia art, such as the field of animation, the animators use the scanner to move the design of the basic forms of the images to be diolahnya. For example, a cartoon character in the film will be drawn by hand using a pencil, then the results will be scanned. Furthermore the animation software, the design will be coloring and effects to produce a work tertentuk animation.