Computer Graphics MCQs with Answers
Practice important Computer Graphics MCQs with answers and explanations.
Multiple Choice Questions
Q111: How many character sets can VGA support simultaneously?
- A: 1
- B: 2
- C: 4
- D: 8
View Answer
D
Q112: The active character set is selected using ________.
- A: Attribute byte
- B: ASCII value
- C: Scan line number
- D: Color value
View Answer
A
Q113: Which component in the attribute byte allows a character to blink?
- A: Bit 5
- B: Bit 6
- C: Bit 7
- D: Bit 4
View Answer
C
Q114: In text mode, the background color is defined in the ________.
- A: ASCII byte
- B: Foreground bits
- C: Attribute byte
- D: Scan lines
View Answer
C
Q115: In graphics mode, how many colors can a pixel have in Mode 13h?
- A: 0-1
- B: 0-15
- C: 0-255
- D: Unlimited
View Answer
C
Q116: In graphics mode, pixels have ________.
- A: Only foreground color
- B: Only background color
- C: No color
- D: One discrete color only
View Answer
D
Q117: Which interrupt is used to set video mode in BIOS?
- A: INT 21H
- B: INT 13H
- C: INT 10H
- D: INT 1AH
View Answer
C
Q118: To set Mode 13h in BIOS, which value is moved to AL register?
- A: 03h
- B: 10h
- C: 13h
- D: 19h
View Answer
C
Q119: To write a pixel in BIOS, which service number is used?
- A: 0Ah
- B: 0Ch
- C: 0Fh
- D: 10h
View Answer
B
Q120: In BIOS pixel writing, what is stored in register CX?
- A: Color number
- B: Page number
- C: Column number
- D: Row number
View Answer
C