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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Q171

❓ MCQ📘 CS401📑 Lec 6🏷️ BIOS Video Services (INT 10h)Easy🔁⭐💡📄🎓VU🏛️VU

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

A.RAM services
B.Disk services
C.BIOS video services
D.DOS video services

Q172

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

In PC BIOS architecture, video display services and display modes are classified into how many broad categories?

A.2 categories (Text mode and Graphics mode)
B.3 categories
C.4 categories
D.5 categories

Q173

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

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

A.8 bytes
B.16 bytes
C.4 bytes
D.20 bytes

Q174

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

In the instruction 'MOV WORD [ES:160], 0x1230', which character does the byte value 0x30 represent?

💻 assembly Snippet

mov word [es:160], 0x1230

A.Character 'A'
B.Character 'B'
C.Character '0' (ASCII 0x30)
D.Character '1'

Q175

❓ MCQ📘 CS401📑 Lec 6🏷️ VGA Video Memory Offset CalculationMedium🔁⭐💡📄🎓VU🏛️VU

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

A.First column of second row
B.Second column of first row
C.Second column of second row
D.First column of third row

Q176

❓ MCQ📘 CS401📑 Lec 6🏷️ VGA Text Mode ASCII EncodingEasy🔁⭐💡📄🎓VU🏛️VU

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

A.Character 'A'
B.Character 'B'
C.Character '0' (ASCII 0x30)
D.Character '1'

Q177

📝 Short Q📘 CS401📑 Lec 6🏷️ BIOS Keyboard Services (INT 16h)Easy🔁⭐💡📄🎓VU🏛️VU

Which system BIOS services are provided by Software Interrupt 16h (INT 0x16)?

💻 assembly Snippet

mov ah, 0x00
int 0x16

Q178

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

In VGA text mode, which bit of the character attribute byte represents the red component of the foreground text color?

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

Q179

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

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

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

Q180

❓ MCQ📘 CS401📑 Lec 6🏷️ MS-DOS Display ModeEasy🔁⭐💡📄🎓VU🏛️VU

By default, the MS-DOS command prompt operating system uses which primary display mode?

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

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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