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Display Memory

Lecture 16: Display Memory

216 Questions192 MCQs19 Short Questions5 Long Questions
Showing 11 – 20 of 216 Questions
Page 2 of 22
Q11❓ MCQ📑 Lec 6Easy🔁Repeated⭐High-Yield💡Conceptual
In VESA 16-bit high-color graphics mode, color components for each pixel are organized in which standard RGB format?
  1. A.5:5:5 or 5:6:5 format
  2. B.8:8:8 format
  3. C.4:4:4 format
  4. D.10:10:10 format
Q12❓ MCQ📑 Lec 6Easy🔁Repeated⭐High-Yield💡Conceptual
In computer graphics display mode, a single address location in video memory corresponds to a ________ on the screen.
💻 assembly Snippet
MOV BYTE [ES:DI], COLOR
  1. A.Dot
  2. B.Line
  3. C.Circle
  4. D.Rectangle
Q13❓ MCQ📑 Lec 6Easy🔁Repeated⭐High-Yield💡Conceptual
VESA VBE (Video BIOS Extension) 2.0 is an industry standard designed for ________.
💻 assembly Snippet
MOV AX, 0x4F02
MOV BX, 0x0101
INT 0x10
  1. A.High resolution Mode
  2. B.Low resolution Mode
  3. C.Medium resolution Mode
  4. D.Very High resolution Mode
Q14❓ MCQ📑 Lec 6Easy🔁Repeated⭐High-Yield💡Conceptual
VESA VBE 2.0 is an industry standard designed for ________.
💻 assembly Snippet
MOV AX, 0x4F02
MOV BX, 0x0101
INT 0x10
  1. A.High resolution Mode
  2. B.Low resolution Mode
  3. C.Medium resolution Mode
  4. D.Very High resolution Mode
Q15❓ MCQ📑 Lec 6Easy🔁Repeated⭐High-Yield💡Conceptual
Software interrupt INT 10h is dedicated to accessing ________ services in IBM PC-compatible systems.
💻 assembly Snippet
MOV AH, 0x00
MOV AL, 0x03
INT 0x10
  1. A.BIOS video
  2. B.RAM
  3. C.Disk
  4. D.DOS video
Q16❓ MCQ📑 Lec 6Easy🔁Repeated⭐High-Yield💡Conceptual
Video services in x86 systems are broadly classified into ________ main categories (ROM BIOS video services and DOS video services).
  1. A.2
  2. B.3
  3. C.4
  4. D.5
Q17❓ MCQ📑 Lec 6Easy🔁Repeated⭐High-Yield💡Conceptual
Which value must be loaded into register AH to invoke the BIOS Write Graphics Pixel service via INT 10h?
💻 assembly Snippet
MOV AH, 0Ch
INT 10h
  1. A.0Ch
  2. B.0Bh
  3. C.1Ch
  4. D.2Ch
Q18❓ MCQ📑 Lec 6Easy🔁Repeated⭐High-Yield💡Conceptual
VESA (Video Electronics Standards Association) organizes 16-bit color pixels (High Color mode) into which RGB bit distribution format?
  1. A.5:6:5 formats
  2. B.5:5:5 formats
  3. C.6:5:6 formats
  4. D.5:6:7 formats
Q19❓ MCQ📑 Lec 6Medium🔁Repeated⭐High-Yield💡Conceptual
If register AX contains decimal -2 (0xFFFE in 16-bit 2's complement) and register BX contains decimal +2 (0x0002), what will happen upon executing: CMP AX, BX JA label
💻 assembly Snippet
mov ax, -2 ; AX = 0xFFFE (65,534 unsigned)
mov bx, 2  ; BX = 0x0002 (2 unsigned)
cmp ax, bx
ja label   ; Jump taken because 65534 > 2 unsigned
  1. A.Jump will be taken
  2. B.Zero flag will set
  3. C.ZF will contain value -4
  4. D.Jump will not be taken
Q20❓ MCQ📑 Lec 6Medium⭐High-Yield💡Conceptual
In standard 80x25 text mode video memory, what foreground character color is rendered when executing `mov word [ES:0], 0x1230`?
💻 assembly Snippet
mov word [es:0], 0x1230 ; 0x12 = Green on Black attribute, 0x30 = '0'
  1. A.Green
  2. B.White
  3. C.Red
  4. D.Black

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