Which vector operation gives the cosine of the angle between two vectors?

Which matrix controls the transition from world coordinates into camera space?

Why are video games considered discrete simulations?

You develop a game for mobile devices.
You must have the best graphics possible for each display resolution that the mobile devices
support.
What should you do?

You are programming a game that perfectly features elastic collision. A red ball is traveling
along the x-axis with a speed of +5 and a blue ball is traveling along the x-axis with a speed
of -5. There is no motion on any other axis. Each ball has identical mass. They collide with
the center of each ball perfectly aligned with the other.
What reaction motion should you expect after the collision?

You develop a new Windows game.
The game must have a programmable graphics pipeline and be able to display graphics.
Which tool should you use?

Which game genre has the following characteristics?
Single player
Interactive story
Puzzle solving

Which device has a built-in infrared camera that can detect movement?

To maximize character animation quality, each vertex of a 3D mesh should be mapped to:

Which two descriptions always refer to a plane in 3D space? (Choose two.)