Ch 01: Introduction to Assembly Language

Foundational study of Intel x86 microprocessors, accumulator registers, base registers, count registers, data registers, flags register, and instruction execution cycles.

387 Questions387 MCQs0 Short Questions0 Long Questions

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CS401 - Computer Architecture and Assembly Language Programming Examination Practice

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Showing 221 – 230 of 387 Questions

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Q221

❓ MCQ📘 CS401📑 Lec 1🏷️ 1.2. Internal RegistersEasy🔁⭐💡📄🎓VU🏛️VU

In 8088 CPU architecture, the individual bits of which register work independently and individually as status indicators?

A.FLAGS register
B.Index register
C.Base register
D.Segment register

Q222

❓ MCQ📘 CS401📑 Lec 1🏷️ 1.5. Arithmetic & LogicEasy🔁⭐💡📄🎓VU🏛️VU

When a 32-bit dividend (stored in DX:AX) is divided by a 16-bit divisor using the 16-bit DIV instruction, what is the maximum register size allocated for the resulting quotient?

💻 assembly Snippet

div bx  ; Quotient stored in 16-bit AX register

A.16 bits (stored in AX)
B.32 bits
C.8 bits
D.64 bits

Q223

❓ MCQ📘 CS401📑 Lec 1🏷️ 1.5. Arithmetic & LogicEasy🔁⭐💡📄🎓VU🏛️VU

When a 16-bit number is divided by an 8-bit divisor using the 'DIV reg8' instruction, where is the 8-bit quotient stored?

💻 assembly Snippet

mov ax, 100
mov bl, 5
div bl       ; AL = quotient (20), AH = remainder (0)

A.AX
B.AL
C.AH
D.DX

Q224

❓ MCQ📘 CS401📑 Lec 1🏷️ 1.5. Arithmetic & LogicEasy🔁⭐💡📄🎓VU🏛️VU

How many explicit operands does the ADC (Add with Carry) instruction require?

💻 assembly Snippet

adc ax, bx  ; Adds AX + BX + CF -> AX

Q225

❓ MCQ📘 CS401📑 Lec 1🏷️ 1.5. Arithmetic & LogicEasy🔁⭐💡📄🎓VU🏛️VU

When performing 16-bit division using the 'DIV reg16' instruction, how many bits wide is the implicit dividend?

💻 assembly Snippet

div bx  ; Divides 32-bit dividend DX:AX by 16-bit divisor BX

A.64 bits
B.32 bits
C.16 bits
D.8 bits

Q226

❓ MCQ📘 CS401📑 Lec 1🏷️ 1.1. Basic Computer ArchitectureEasy🔁⭐💡📄🎓VU🏛️VU

Regarding assembler software development utilities, which of the following statements is true?

A.Assembler converts mnemonics to the corresponding OPCODE
B.Assembler converts OPCODE to the corresponding mnemonics
C.Assembler executes the assembly code all at once
D.Assembler executes the assembly code step by step

Q227

❓ MCQ📘 CS401📑 Lec 1🏷️ 1.7. Our First ProgramMedium🔁⭐💡📄🎓VU🏛️VU

If '0xBB' is the OPCODE for moving a constant value into the AX register, what is the complete hexadecimal byte representation (using little-endian format) for 'MOV AX, 336' (where 336 decimal equals 0x0150)?

💻 assembly Snippet

mov ax, 336  ; Opcode BB, Immediate 0x0150 -> Byte sequence: BB 50 01

A.0xBB0150
B.0x5001BB
C.0x01BB50
D.0xBB5001

Q228

❓ MCQ📘 CS401📑 Lec 1🏷️ 1.2. RegistersEasy🔁⭐💡📄🎓VU🏛️VU

In x86 assembly language programming, the CX register is primarily used as a ________ register.

💻 assembly Snippet

mov cx, 10
loop_label:
loop loop_label

A.Source
B.Counter
C.Index
D.Pointer

Q229

📝 Short Q📘 CS401📑 Lec 1🏷️ 1.2. RegistersEasy🔁⭐💡📄🎓VU🏛️VU

List the names of the four primary 16-bit segment registers in 8088 CPU real mode architecture.

Q230

❓ MCQ📘 CS401📑 Lec 1🏷️ 1.2. Internal RegistersEasy🔁⭐💡📄🎓VU🏛️VU

In 8088 CPU architecture, individual bits of which register work independently and individually as status indicators?

A.FLAGS register
B.Index register
C.Base register
D.Accumulator register

Ch 01: Introduction to Assembly Language

CS401 - Computer Architecture and Assembly Language Programming Examination Practice

Mid Term Examination

Final Term Examination

CS401 - Computer Architecture and Assembly Language Programming Examination Practice

Mid Term Examination

Final Term Examination

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