According to the biography, we can see that Bushnell's focus on computers encouraged him to be creative and to explore and exercise his mind, as shown in the second answer option.
We can reach this answer because:
In Bushnell's biography, we can see that he was interested in many different subjects and fields, but computing was what stimulated his mind and made him creative and inventive.
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https://brainly.com/question/2287961