Computer Graphics Quiz

What is Computer Graphics?

• Writing computer programs

• Producing images using computers

• Displaying text on screen

• Running simulations

Which device is commonly used for graphical display?

• Printer

• Keyboard

• Monitor

• Scanner

Pixels are...

• Data files

• Points of light on the screen

• Graphics cards

• Sound bits

Which of these is a vector graphics device?

• Dot matrix printer

• CRT monitor

• Pen plotter

• Laser printer

In raster graphics, an image is stored as...

• A list of coordinates

• A grid of pixels

• Mathematical equations

• Line commands

Which algorithm is used for line drawing?

• DDA Algorithm

• Newton-Raphson

• Kruskal’s Algorithm

• Midpoint Circle

Bresenham's algorithm is used to draw...

• Rectangles

• Curves

• Lines and circles

• Text

Which transformation changes the position of an object?

• Rotation

• Scaling

• Translation

• Reflection

Rotation is always performed with respect to...

• Screen origin

• Object center

• Pixel center

• Z-axis only

Which matrix is used for 2D transformations?

• 2×2

• 3×3

• 1×1

• 4×4