Real Answers Please... I'm attempting to create a game on Khan Academy using the computer coding courses, but I can't find how to program a moving background or enemies, can someone please give me pointers/suggestions?

P. S. I'm trying to make a Galaga-like game (2-Dimensional) , and it has to be in JavaScript Processing code.

Think about some of the most memorable and forgettable games ever created. they can be games that were discussed in this unit or otherwise. what are some of the consistent factors that made certain games memorable to you? what were some of the consistent factors that made certain games forgettable to you? why? explain.

Is an attack that relies on guessing the isns of tcp packets

Ihave a singular monitor that is a tv for my computer. recently, i took apart my computer and put it back together. when i put in the hdmi cord and booted the computer to see if it worked, the computer turned on fine but the screen was blue with "hdmi no signal." i've tried everything that doesn't require buying spare parts, any answer is appreciated!