The part of the computer that performs the calculations that enable the computer to function and is sometimes referred to as the brain of the computer is the

To hide gridline when you display or print a worksheet

Why were most movies from the late 1890s until the early 1930s only filmed in black and white? there were only a few people who could afford the technology to produce color motion pictures back then. audiences did not want color motion pictures until later. the film used to make color motion pictures often overheated, which was a safety hazard, so it was generally not allowed. color films had to be hand-colored, frame by frame.

What are three software programs for mobile computing?