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| | Opcode Information |
 | | The operands upon which opcodes operate may, depending on CPU architecture, consist of registers, values in memory, values stored on the stack, I/O ports, the bus, etc. The operations an opcode may specify can include arithmetic, data copying, logical operations, and program control. |
 | | Opcodes can also be found in byte codes interpreted by a byte code interpreter (or virtual machine, in one sense of that term). |
 | | Here, mnemonic instructions are used that correspond to the opcode and operand specifications of the machine language instructions generated. |
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