How is speed of computer measured?​

This technology is used to produce high-quality documents that look good on the computer screen and in print. wiki presentation paint desktop publishing

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 key should you press and hold to select and open multiple files at one time? enter alt control esc