Which term describes a game technique in which several background layers are scrolled at
different speeds to create the illusion of depth?

You plan to optimize a game loop.
Which three common matrices are passed to a shader for every mesh rendered in a scene?
(Choose three.)

Which technique is responsible for handling animations, detecting input, and rendering
scenes?

Which matrix is changed from one frame render to the next only when the position or
orientation of the camera is changed?

Which three audio codecs are natively supported by Windows Phone 7? (Choose three.)

You are creating your first 2D game engine.
You need to set up the core application architecture.
What is your first step in the graphics pipeline?

DRAG DROP
Match each term to its definition. (To answer, drag each term from the column on the left to
its definition on the right. Each term may be used once, more than once, or not at all. Each
correct match is worth one point.)

Which mathematical operation is used to combine transformations stored in 4×4 matrices?

You have written a collision-detection algorithm to find out whether a ball hits a wall.
However, the ball sometimes passes completely through the wall and no collision is
detected.
Which two reasons can explain this? (Choose two.)

DRAG DROP
Match each collision-detection method to its description. (To answer, drag each method from
the column on the left to its description on the right. Each method may be used once, more
than once, or not at all. Each correct match is worth one point.)