Computer Graphics MCQs with Answers
Practice important Computer Graphics MCQs with answers and explanations.
Chapter: 3
Q81:
The VGA adapter supports up to what resolution and color depth?
A. 640x480 with 16 colors
B. 1024x768 with 16 colors
C. 800x600 with 256 colors
D. 320x200 with 4 colors
Correct Answer:
A
Chapter: 3
Q82:
Which adapter became the standard for monochrome systems with graphics capability?
A. VGA
B. MCGA
C. Hercules
D. EGA
Correct Answer:
C
Chapter: 3
Q83:
Which type of display adapter requires a special driver for each model?
A. MA
B. CGA
C. SVGA
D. XGA
Correct Answer:
C
Chapter: 3
Q84:
What was the major enhancement of XGA over VGA?
A. Lower price
B. Compatibility
C. Bus mastering
D. Lower power use
Correct Answer:
C
Chapter: 3
Q85:
Which of the following caused visual issues in CGA adapters?
A. Blur and lag
B. Flicker and snow
C. Pixel jumps
D. Low resolution
Correct Answer:
B
Chapter: 3
Q86:
Display processor memory can exist ______ system memory.
A. instead of
B. as part of
C. separately from
D. over
Correct Answer:
B
Chapter: 3
Q87:
A character defined using a rectangular grid is displayed by:
A. Vector scan
B. Raster scan
C. Bitmap overlay
D. Coordinate mapping
Correct Answer:
B
Chapter: 3
Q88:
Which of the following adapters has the lowest graphics resolution?
A. CGA
B. XGA
C. EGA
D. MA
Correct Answer:
D
Chapter: 3
Q89:
A major drawback of EGA is its lack of ______ operations on internal registers.
A. Write
B. Arithmetic
C. Read
D. Execute
Correct Answer:
C
Chapter: 3
Q90:
Which scan system uses a display file to store drawing commands?
A. Raster scan
B. Vector scan
C. Random scan
D. Frame buffer system
Correct Answer:
C
Chapter: 3
Q91:
Which part of the graphics system contains pixel coordinate registers?
A. CPU
B. Display file
C. Video controller
D. Display memory
Correct Answer:
C
Chapter: 4
Q92:
What is the smallest visible dot on a screen called?
A. Picture
B. Point
C. Pixel
D. Frame
Correct Answer:
C
Chapter: 4
Q93:
The combination of many pixels forms a _______.
A. Character
B. Mode
C. Scanline
D. Picture
Correct Answer:
D
Chapter: 4
Q94:
Which of the following defines the number of rows and columns of pixels on a screen?
A. Bit rate
B. Color depth
C. Resolution
D. Refresh rate
Correct Answer:
C
Chapter: 4
Q95:
In Mode 19, how many scan lines are used?
A. 320
B. 200
C. 640
D. 480
Correct Answer:
B
Chapter: 4
Q96:
What is the resolution of Mode 19?
A. 640x480
B. 320x200
C. 200x320
D. 800x600
Correct Answer:
B
Chapter: 4
Q97:
What happens when the resolution increases?
A. Picture becomes blurred
B. Memory requirement decreases
C. Picture becomes clearer
D. Text disappears
Correct Answer:
C
Chapter: 4
Q98:
Higher resolution leads to ________.
A. More memory required
B. Lower color depth
C. Lower clarity
D. Flickering
Correct Answer:
A
Chapter: 4
Q99:
Which device is responsible for sending picture data to the monitor?
A. Processor
B. Video card
C. BIOS
D. Power supply
Correct Answer:
B
Chapter: 4
Q100:
Which mode supports 25x80 characters with 16 colors?
A. Text Mode 6
B. Text Mode 3
C. Graphics Mode 13
D. Graphics Mode 19
Correct Answer:
B