Computer Graphics MCQs with Answers
Practice important Computer Graphics MCQs with answers and explanations.
Multiple Choice Questions
Q71: To avoid flicker and snow, which adapter was introduced as an improvement over CGA?
- A: EGA
- B: SVGA
- C: MCGA
- D: XGA
View Answer
A
Q72: A raster scan system with a display processor is used to ______.
- A: increase RAM
- B: store OS
- C: reduce CPU load
- D: improve resolution
View Answer
C
Q73: The register that is incremented pixel by pixel across each scan line is:
- A: Y register
- B: X register
- C: Pixel register
- D: Buffer register
View Answer
B
Q74: What happens to the Y register after completing a scan line?
- A: It is incremented
- B: It is set to 0
- C: It is unchanged
- D: It is decremented
View Answer
D
Q75: How many pixels per second must be processed at 60 frames per second for a 640x480 display?
- A: 1843200
- B: 18432
- C: 30720
- D: 76800
View Answer
A
Q76: Which memory area holds the pixel intensity values for each screen location?
- A: Video RAM
- B: Frame buffer
- C: System stack
- D: Data register
View Answer
B
Q77: MCGA supports which graphics resolution and color depth?
- A: 320x200 with 4 colors
- B: 640x480 with 2 colors
- C: 640x350 with 16 colors
- D: 320x200 with 256 colors
View Answer
D
Q78: In raster scan, a group of adjacent pixel intensities is stored in:
- A: Display cache
- B: Frame block
- C: Pixel register
- D: Pixel stack
View Answer
C
Q79: Which display adapter allows the CPU to be freed from graphics operations?
- A: MA
- B: Video card
- C: Display processor
- D: System RAM
View Answer
C
Q80: Scan conversion is used to digitize which type of graphics input?
- A: Text
- B: Line segments
- C: Registers
- D: Video streams
View Answer
B