Question: what cycle does the cpu carry out continuously to process instructions
[{'answer': 'instruction cycle', 'provenance': [{'wikipedia_id': '575535', 'title': 'Instruction cycle', 'start_paragraph_id': 1, 'start_character': 4, 'end_paragraph_id': 1, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]