(A) DARPA wanted scientists to be able to collaborate and share research easily.
The initial purpose of ARPA was to enable mainly scientific users at the connected institutions to communicate and share resources, also to be able to link computers at Pentagon-funded research institutions over telephone lines, and it became the technical foundation of the Internet.
There are ways to break into the boot cycle of every machine, you could use one of them. Hold down modifier key[s] so that it boots differently or you may get a menu to select boot options.
A specific answer is OS/firmware dependent.
Answer:
To maintain their Skills
Explanation:
The main job of video editor and film editor is to gather the raw material related to some particular topic that is provided by camera person. With the help of skills the video editor convert that raw video into finished product that will be able to broadcast.
That is the reason, he should maintain his skills to preform the video editing task accurately.