The design and implementation of a collection class consists of two steps. What is the first step?

A. document the class using docstrings
B. choose an appropriate data structure
C. write the code for the defined methods
D. test the method using sample data


Answer: B

Computer Science & Information Technology

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Answer the following statement true (T) or false (F)

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Consider the following button element, which executes a computation and displays the result when clicked:

``` ``` Create a Web page named number.html that contains the above button. Mathematically speaking, multiplying x * (1/x) should yield 1, regardless of the particular value of x. Click the button and report the value that is displayed in the alert window. If it is not 1, can you explain why not?

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The Wii Remote, as well as many smartphones, uses a(n) _________ which allows the de- vice to respond to motion.

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology