Computer Graphics MCQs with Answers
Practice important Computer Graphics MCQs with answers and explanations.
Multiple Choice Questions
Q61: Which refresh method is used to avoid burning phosphor in vector displays?
- A: Low voltage
- B: Delayed refresh cycle
- C: Interlaced scan
- D: Frame cap
View Answer
B
Q62: In raster scan, what happens during vertical retrace?
- A: The beam resets to the top left
- B: Screen is cleared
- C: Beam goes to center
- D: New buffer is loaded
View Answer
A
Q63: What is the function of the video controller in raster graphics systems?
- A: Controls input devices
- B: Handles user commands
- C: Controls the display device
- D: Processes user graphics commands
View Answer
C
Q64: In raster systems, what stores the image to be displayed on screen?
- A: CPU
- B: Register
- C: Frame buffer
- D: Cache memory
View Answer
C
Q65: The process of converting a picture definition into pixel intensities is called ______.
- A: Scan conversion
- B: Frame buffering
- C: Vector plotting
- D: Line encoding
View Answer
A
Q66: Which component helps offload graphics processing from the CPU?
- A: Display processor
- B: Cache controller
- C: I/O controller
- D: Graphics driver
View Answer
A
Q67: In raster scan systems, screen refresh happens at a rate of __ frames per second.
- A: 30
- B: 45
- C: 60
- D: 75
View Answer
C
Q68: Frame buffer coordinates are stored using which coordinate system?
- A: Polar
- B: Cartesian
- C: Hyperbolic
- D: Rectangular
View Answer
B
Q69: The value in the frame buffer is used to set ______ of the CRT beam.
- A: Position
- B: Speed
- C: Intensity
- D: Size
View Answer
C
Q70: Which adapter introduced 640x350 resolution with 16 colors?
- A: CGA
- B: EGA
- C: VGA
- D: XGA
View Answer
B