Computer Organization and Architecture, unit: Assembly Language Basics. Core concepts, terminology, and worked-example cues a college student meets for this unit, building on prior units without repeating them. Front: a term, concept, or short problem cue. Back: the definition, explanation, or answer.
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- What is assembly language?
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A low-level programming language using mnemonic instructions that map closely to machine code- What is machine code?
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The binary instructions directly executed by a CPU- What is an assembler?
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A program that translates assembly language into machine code- What is a mnemonic, in assembly language?
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A short, human-readable code representing a machine instruction, like ADD or MOV- What is a label, in assembly language?
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A named reference to a specific location in code or data, used for jumps and loops- What is an addressing mode?
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A method specifying how an instruction's operand location is determined- What is immediate addressing?
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An addressing mode where the operand's value is directly included in the instruction- What is direct addressing?
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An addressing mode where the instruction specifies the exact memory address of the operand- What is register addressing?
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An addressing mode where the operand is located in a specified CPU register- What is a MOV instruction typically used for?
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Copying data from one location, such as a register or memory, to another- What is a jump instruction used for?
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Changing the flow of execution to a different instruction address- What is a conditional jump?
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A jump that occurs only if a specified condition (such as a flag) is met- What is a stack, in assembly-level programming?
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A region of memory used to store data temporarily, following last-in-first-out order- What is a PUSH instruction?
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An instruction that places a value onto the top of the stack- What is a POP instruction?
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An instruction that removes and retrieves the value from the top of the stack
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