What is the dimensions of a 2D transformation matrix?

What is glVertextPointer(...) used for?

What are the primitive types available to a glBegin statement? Note: this question is often flagged by test takers. Read carefully and choose wisely, there is only one correct answer.

When do you use glFlush and glFinish?

Does OpenGL raise an error if a new display list is given the same name of a previously defined display list?

Which is better to use for dynmic drawing?

Which values can be used with glTexParameter and GL_TEXTURE_MAG_FILTER parameter names?

What will happen if you do the following?

Can glNormal be called between glBegin and glEnd ?

What is gl_Vertex in a vertex shader?

On what language is GLSL syntax based?