📑 CHAPTER PRACTICE

CS401 - Computer Architecture and Assembly Language Programming – Display Memory

Practice 10 verified multiple choice questions per batch with instant answer reveal and comprehensive solutions.

Showing 110 of 216 Questions
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Q1❓ MCQ📑 Lec 6Medium🔁RepeatedHigh-Yield💡Conceptual
The execution of instruction mov word [es:160], 0x1230 will print a character on the screen at:
  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
Q2❓ MCQ📑 Lec 6Easy🔁RepeatedHigh-Yield💡Conceptual
In the instruction mov word [es:160], 0x1230, the byte 30 represents which character?
  1. A.A
  2. B.B
  3. C.0
  4. D.1
Q3❓ MCQ📑 Lec 6Easy🔁RepeatedHigh-Yield💡Conceptual
The far return instruction RETF pops the segment address from the stack into which register?
💻 assembly Snippet
RETF
  1. A.CS register
  2. B.DS register
  3. C.SS register
  4. D.ES register
Q4❓ MCQ📑 Lec 6Easy🔁RepeatedHigh-Yield💡Conceptual
The 8088/8086 processor stack architecture operates strictly on elements of what data size?
💻 assembly Snippet
PUSH AX
POP BX
  1. A.Word sized elements
  2. B.Byte sized elements
  3. C.Double sized element
  4. D.Nible sized element
Q5❓ MCQ📑 Lec 6Easy🔁RepeatedHigh-Yield💡Conceptual
Execution of the instruction `MOV WORD [ES:160], 0x1230` will display a character on the screen at which location in standard 80x25 text mode?
💻 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
Q6❓ MCQ📑 Lec 6Easy🔁RepeatedHigh-Yield💡Conceptual
In text-mode video memory, each character cell/screen location corresponds to how many bytes of memory?
💻 assembly Snippet
MOV WORD [ES:0], 0x0741
  1. A.2 byte
  2. B.1 byte
  3. C.4 byte
  4. D.8 byte
Q7❓ MCQ📑 Lec 6Easy🔁RepeatedHigh-Yield💡Conceptual
How many unique characters are defined in the standard ASCII character set?
  1. A.128
  2. B.256
  3. C.512
  4. D.64
Q8❓ MCQ📑 Lec 6Easy🔁RepeatedHigh-Yield💡Conceptual
An 8 x 16 matrix character font bitmap is stored in ________ bytes of memory.
  1. A.16
  2. B.2
  3. C.4
  4. D.8
Q9❓ MCQ📑 Lec 6Easy🔁RepeatedHigh-Yield💡Conceptual
Which bit of the text-mode video attribute byte represents the Red component of the foreground color?
💻 assembly Snippet
MOV AH, 0x04
  1. A.2
  2. B.3
  3. C.4
  4. D.5
Q10❓ MCQ📑 Lec 6Easy🔁RepeatedHigh-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