Suppose You Must Design a Program to Calculate the Roll-Out

question 59

Multiple Choice

Suppose you must design a program to calculate the roll-out (number of inches travelled in one revolution of the pedals of a bicycle based on its gear combinations) . The user will provide the gear sizes, which must be converted into roll-out for all different gear combinations. How can the flow of user interaction for this problem be designed?

• A)Hand-tracing can confirm code that implements gear selection.
• B)Pseudocode can guide algorithm design through divide-and-conquer strategy.
• C)A storyboard can be used.
• D)The physical gears can lead to ideas for the correct algorithm to use.

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