You work part-time at a computer equipment store in the optical disc section. A customer asks about differences between CD formats. You tell her that a(n) is an erasable multi session disc users can write on multiple times.

When early motion pictures played in movie theaters, they were often accompanied by live organ or piano music. which of the following are the most likely reasons that this happened? (select all that apply). the music was provided to distract audience members from the loud sounds made when filmstrips were changed. the music accompanied the movies because the movies were silent and audiences were used to hearing music during plays in theaters. the music usually was played before, and sometimes after the movie, as an alternative form of entertainment. the music viewers to interpret the dramatic action in the films.

Lucas put a lot of thought into the design for his company's new white paper. he made sure to include repeating design elements such as color schemes and decorative images. his goal was to a. add symmetry b. create a unified publication c. provide consistency d. save money

Some peer-to-peer networks have a server and some don't. true false