consider a magnetic disk drive with 8 surfaces, 512 tracks per surface, and 64 sectors per track , sector size 1 KB. the average seek time is 8 ms , the track to track access time is 1.5 ms, and the drive rotates at 3600 rpm, successive tracks in a cylinder can be read without head movement. a) What's the disk capacity?​

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.