When executing a 16-bit division instruction (`DIV reg16`), dividing a 32-bit dividend in `DX:AX` by a 16-bit operand, what is the bit width of the resulting quotient stored in register `AX`?
Ch 03: Branching, Loops and Program Flow
Examines program control flow in assembly, flag register evaluation (ZF, CF, SF, OF), relative displacement jumps, implementing loops, and bubble sort sorting algorithms in assembly.
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CS401 - Computer Architecture and Assembly Language Programming Examination Practice
Timed practice exam simulation for CS401 - Computer Architecture and Assembly Language Programming.
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When executing an 8-bit division instruction (`DIV reg8`), dividing a 16-bit dividend in register `AX` by an 8-bit operand, in which register is the resulting quotient stored?
Define what an implied operand is in assembly language instructions and give an example.
When performing 16-bit division using `DIV reg16`, where is the 32-bit implied dividend operand stored?
When the operand of a `DIV` instruction is a 16-bit register or memory location (`DIV reg16`), what is the required bit size of the implied dividend operand (`DX:AX`)?
True or False: A 'Size Mismatch' error (e.g., trying to move an 8-bit register value into a 16-bit register, such as `mov ax, bl`) is classified as an assembler syntax error.
In x86 CPU architecture, which register contains individual bit flags where each single bit specifies a distinct status or control condition?
True or False: Direct memory-to-memory data transfer operations (e.g., `MOV [mem1], [mem2]`) are permitted in standard x86 `MOV` instruction syntax.
In x86 assembly language, machine opcode `0x90` corresponds to which instruction?
In x86 processor architecture, which register consists of individual bit positions where each single bit specifies a distinct status or control meaning?