Display Memory

Lecture 16: Display Memory

216 Questions192 MCQs19 Short Questions5 Long Questions
Showing 171180 of 216 Questions
Page 18 of 22
Q171❓ MCQ📑 Lec 6Easy🔁RepeatedHigh-Yield💡Conceptual
Software Interrupt 10h (INT 0x10) is reserved in IBM PC architecture for which set of services?
💻 assembly Snippet
mov ah, 0x00
mov al, 0x03
int 0x10
  1. A.RAM services
  2. B.Disk services
  3. C.BIOS video services
  4. D.DOS video services
Q172❓ MCQ📑 Lec 6Easy🔁RepeatedHigh-Yield💡Conceptual
In PC BIOS architecture, video display services and display modes are classified into how many broad categories?
  1. A.2 categories (Text mode and Graphics mode)
  2. B.3 categories
  3. C.4 categories
  4. D.5 categories
Q173❓ MCQ📑 Lec 6Easy🔁RepeatedHigh-Yield💡Conceptual
How many bytes of memory are required to store an 8x16 matrix font character in VGA memory?
  1. A.8 bytes
  2. B.16 bytes
  3. C.4 bytes
  4. D.20 bytes
Q174❓ MCQ📑 Lec 6Medium🔁RepeatedHigh-Yield💡Conceptual
In the instruction 'MOV WORD [ES:160], 0x1230', which character does the byte value 0x30 represent?
💻 assembly Snippet
mov word [es:160], 0x1230
  1. A.Character 'A'
  2. B.Character 'B'
  3. C.Character '0' (ASCII 0x30)
  4. D.Character '1'
Q175❓ MCQ📑 Lec 6Medium🔁RepeatedHigh-Yield💡Conceptual
The execution of instruction 'MOV WORD [ES:160], 0x1230' prints a character in VGA text mode at which screen position?
💻 assembly Snippet
mov word [es:160], 0x1230
  1. A.First column of second row
  2. B.Second column of first row
  3. C.Second column of second row
  4. D.First column of third row
Q176❓ MCQ📑 Lec 6Easy🔁RepeatedHigh-Yield💡Conceptual
In the instruction 'MOV WORD [ES:160], 0x1230', which ASCII character is represented by the lower byte value 0x30?
💻 assembly Snippet
mov word [es:160], 0x1230
  1. A.Character 'A'
  2. B.Character 'B'
  3. C.Character '0' (ASCII 0x30)
  4. D.Character '1'
Q177📝 Short Q📑 Lec 6Easy🔁RepeatedHigh-Yield💡Conceptual
Which system BIOS services are provided by Software Interrupt 16h (INT 0x16)?
💻 assembly Snippet
mov ah, 0x00
int 0x16
Q178❓ MCQ📑 Lec 6Easy🔁RepeatedHigh-Yield💡Conceptual
In VGA text mode, which bit of the character attribute byte represents the red component of the foreground text color?
  1. A.Bit 5
  2. B.Bit 4
  3. C.Bit 3
  4. D.Bit 2
Q179❓ MCQ📑 Lec 6Easy🔁RepeatedHigh-Yield💡Conceptual
How many bytes of memory are required to store a single 8x16 matrix font character in VGA font RAM?
  1. A.2 bytes
  2. B.4 bytes
  3. C.8 bytes
  4. D.16 bytes
Q180❓ MCQ📑 Lec 6Easy🔁RepeatedHigh-Yield💡Conceptual
By default, the MS-DOS command prompt operating system uses which primary display mode?
  1. A.Character-based mode (Text mode)
  2. B.Graphics-based mode
  3. C.Numeric-based mode
  4. D.Console-based mode