Ch 06: Parameter Passing and Stack Frames

Detailed analysis of stack frame construction (push bp; mov bp, sp), accessing parameters via [bp+4], [bp+6], allocating local automatic variables via [bp-2], and stack cleanup conventions (cdecl vs stdcall).

216 Questions216 MCQs0 Short Questions0 Long Questions

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CS401 - Computer Architecture and Assembly Language Programming Examination Practice

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Q141

📝 Short Q📘 CS401📑 Lec 6🏷️ Linear Memory Mapping of 2D Text DisplayMedium🔁⭐💡📄🎓VU🏛️VU

Explain how two-dimensional text mode screen coordinates (80 columns by 25 rows) are linearly mapped into one-dimensional video RAM, detailing the word-per-character memory structure.

💻 assembly Snippet

mov ax, 0xB800
mov es, ax
mov di, (5 * 80 + 10) * 2
mov word [es:di], 0x0741

Q142

📝 Short Q📘 CS401📑 Lec 6🏷️ Fundamental Principles of VGA Text ModeEasy🔁⭐💡📄🎓VU🏛️VU

State the three fundamental principles that govern how the CPU interacts with the VGA video controller in text display mode.

Q143

🧠 Long Problem📘 CS401📑 Lec 6🏷️ String and Character Declarations in NASM SyntaxMedium🔁⭐📄🎓VU🏛️VU

Describe the three equivalent syntax methods used in NASM assembly language to declare single characters and contiguous character strings in memory.

💻 assembly Snippet

char1: db 65
char2: db 'A'
string1: db 'Hello World', 0

Q144

❓ MCQ📘 CS401📑 Lec 6🏷️ VGA Text Mode Attribute Byte EncodingMedium🔁⭐💡📄🎓VU🏛️VU

In VGA text mode display memory, which bit of the 8-bit attribute byte represents the Red component of the foreground color?

💻 assembly Snippet

mov byte [es:di+1], 0x04

A.Bit 5
B.Bit 4
C.Bit 3
D.Bit 2

Q145

❓ MCQ📘 CS401📑 Lec 6🏷️ VGA Chargen Services and Font BitmapsEasy⭐💡📄🎓VU🏛️VU

How many bytes of storage memory are required to store a single character matrix in an 8x16 VGA font?

A.2 bytes
B.4 bytes
C.8 bytes
D.16 bytes

Q146

❓ MCQ📘 CS401📑 Lec 6🏷️ MS-DOS Display Modes and Text Mode VRAMEasy🔁⭐💡📄🎓VU🏛️VU

Which primary video display mode is utilized by default by the MS-DOS operating system command line interface?

A.Character-based mode (Text mode)
B.Graphics-based mode
C.Numeric-based mode
D.Console bitmap mode

Q147

❓ MCQ📘 CS401📑 Lec 6🏷️ VGA Font Bitmaps and Memory StorageEasy🔁⭐💡📄🎓VU🏛️VU

How many bytes of storage memory are required to store a single character bitmap glyph in an 8x16 font?

A.2 bytes
B.4 bytes
C.8 bytes
D.16 bytes

Q148

❓ MCQ📘 CS401📑 Lec 6🏷️ BIOS Video Service CategoriesEasy🔁⭐💡📄🎓VU🏛️VU

In PC BIOS architecture, into how many broad categories are video display services categorized?

A.2 categories
B.3 categories
C.4 categories
D.5 categories

Q149

❓ MCQ📘 CS401📑 Lec 6🏷️ VGA Font Character Bitmaps and VRAM StorageEasy🔁⭐💡📄🎓VU🏛️VU

How many bytes of storage memory are required to store an 8x16 VGA font character matrix in chargen memory?

A.3 bytes
B.4 bytes
C.8 bytes
D.16 bytes

Q150

❓ MCQ📘 CS401📑 Lec 6🏷️ VGA Text Mode Video RAM Memory LayoutEasy🔁⭐💡📄🎓VU🏛️VU

In VGA text mode video memory, what does the byte stored at the higher memory address (+1 byte offset) of a screen location word represent?

💻 assembly Snippet

mov word [es:0], 0x0741

A.The character code
B.The attribute byte
C.The parameters
D.The dimensions

Ch 06: Parameter Passing and Stack Frames

CS401 - Computer Architecture and Assembly Language Programming Examination Practice

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CS401 - Computer Architecture and Assembly Language Programming Examination Practice

Mid Term Examination

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