![]() File Management: File management refers to a way to name, save, backup, organize files/folders and keep track of files on a computer.It originated from the oral form of Arabic al-tob, meaning "brick," It is the first materials used to create buildings in the 8th century B.C Adobe: A mixture of wet earth and grass made into bricks and dried in the sun, used to build houses.A negative image on film is traditionally used to photographically create a positive image on a paper base, known as a print, either by using an enlarger or by contact printing. ![]() The result with photographic emulsion is an invisible latent image, which is later chemically "developed" into a visible image, either negative or positive depending on the purpose of the photographic material and the method of processing. With an electronic image sensor, this produces an electrical charge at each pixel, which is electronically processed and stored in a digital image file for subsequent display or processing. Typically, a lens is used to focus the light reflected or emitted from objects into a real image on the light-sensitive surface inside a camera during a timed exposure. It is employed in many fields of science, manufacturing (e.g., photolithography), and business, as well as its more direct uses for art, film and video production, recreational purposes, hobby, and mass communication.
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