Requirements describe constraints such as programming languages, tools, and communication protocols for distributed portions of the system.

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.

Can someone work out the answer as it comes up in one of my computer science exams and i don't understand the cryptovariables

If you have a document that is relevant to more than one folder on your computer, what should you do? a. save the document to the most appropriate folder.b. save the document in each folder.c. save the document in my documents rather than in one of the folders.d. save the document to libraries.