In the RGB color model, If the maximum value a color can have is $100,$ where will you find shades of grey?

A$.$ Any point where red, green and blue values are equal

B$.$ Any point where red, green and blue values sum to $100$

C$.$ Any point where either the red, green or blue value is equal to $100$

D$.$ Any point where either the red, green or blue value is equal to $0$

Which of the following is NOT an operation of the geometry stage in the graphics rendering pipeline?

A$.$ Scene projection

B$.$ Z$-$buffering

C$.$ Light computation

D$.$ Screen mapping

Which of the following operations belongs to the geometry stage in graphics rendering pipeline?

A$.$ Light computation

B$.$ Z$-$buffering

C$.$ Scan conversion

D$.$ Anti$-$aliasing

is a conceptual model in computer graphics that describes what steps a graphics system needs to perform to render a $3$D scene to a $2$D screen.

A$.$ Rendering pipeline

B$.$ Lighting

C$.$ Scan conversion

D$.$ Rasterization