I’m joining the robotics team in my school, but my knowledge is pretty basic. what should i do to improve myself?

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.

Using a conditional expression, write a statement that increments numusers if updatedirection is 1, otherwise decrements numusers. ex: if numusers is 8 and updatedirection is 1, numusers becomes 9; if updatedirection is 0, numusers becomes 7.

Why would a business likely use a java applet - to back up their data files for the business - to create a program that a customer can launch in their web browser - to create music on a powerpoint presentation - to organize files on their company directory