| 1 | Answer to design a four-way device. | |
| 2 | The researchers also acknowledged that the machine had benefited from the "buzzer factor." | |
| 3 | The responder can be used as quiz judged device. | |
| 4 | Finally, multi-Answer's principles and design process. | |
| 5 | Thefigure vies for the answering device by the subject circuit andexpands the circuit to make up . |