Remember these Terms

• Instruction: A single command the CPU can execute.
• Opcode: The part of an instruction that selects the operation.
• Operand: The data or location an instruction uses.
• Register: Small, fast storage inside the CPU.
• Memory address: A numeric location in RAM.
• Immediate value: A constant written directly in the instruction.
• Label: A named address for code or data.
• Directive: Assembler instruction that controls assembly, not CPU.
• Program counter: Register holding the next instruction address.
• Flags: Bits that record results like zero or carry.