Answer:
open-source
Explanation:
open-souce software allows any user to submit modifications of the source code
Answer:
Webcasts
Explanation:
The rest of the options don't need to be streamed as there isn't a continuous flow of information.
Answer:
Deleting files and etc on your computer.
The answer is multitasking. This is when the OS always programs to share resources to run at the same time.
If the applications were running on separate CPUs, then it would be multiprocessing.