What is the difference between mnemonic codes and machine codes?

• ক There is no difference.
• খ Machine codes are in binary, mnemonic codes are in shorthand English. ✅ সঠিক উত্তর
• গ Machine codes are in shorthand English, mnemonic codes are a high-level language.
• ঘ Machine codes are in shorthand English, mnemonic codes are in binary.