B. UML
by using UML one can draw relationships between classes (types) & other
components of the program, so you have a visual view of the code of your program.
RAM, or Random Access Memory, is physical hardware in a computer that actively stores information that is being used so that it can quickly be retrieved or accessed again soon. If you're running programs on you're computer, they will be using ram. If you plan on using a lot of programs, you will need more RAM.
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The New World Order (NWO) in conspiracy theories is the hypothesis of a secretly emerging totalitarian world government.
Keywords are the reserved words of a language.Identifiers are the user defined names of variable, function and labels. Hope that this helped
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If you have the money, buy Adobe Premiere Pro and Adobe After Effects (which is usually used in post-production).
If you need free ones many websites say Filmora, OpenShot, and Lightworks but I've used Filmora before and it's alright.