{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What does the instruction set of System Program include?","a":"Input/output instructions: Used for data interaction with external devices, such  as reading sensor data, etc."}]}],"pr":"dc72bfd4042c11710c56f051eba7582f319a076c8d3523c5bf96a76319597ca8"}