Suppose that your department has a local DNS server for all computers within the department. You are an ordinary user (i. e., do not have access to the DNS cache). Can you determine if an external Web site was accessed in the last few seconds? Explain.

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.

Lisa is making a presentation for her project and she wants to use the logo of her company in her presentation. which element would she use to make her logo stand out in her presentation? a. gradation b. contrast c. alignment d. balance

Why does the hp computer not have bluetooth?