The _____ of a binary tree is the difference in height between its left and right subtrees.
A. balance
B. difference
C. balance factor
D. parallelism
Answer: C
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When should you use an absolute hyperlink?
a. Always, the W3C prefers absolute hyperlinks b. When you need to link to a web page internal to your website c. When you need to link to a web page external to your website d. Never, the W3C has deprecated relative hyperlinks
Which of the following statements is false?
a. Built-in function reversed returns an iterator that enables you to iterate over a sequence’s values backward. b. The following list comprehension creates a new list containing the squares of numbers’ values in the same oder as the list: numbers = [10, 3, 7, 1, 9, 4, 2, 8, 5, 6] reversed_numbers = [item for item in reversed(numbers)] c. Built-in function zip enables you to iterate over multiple iterables of data at the same time. The function zip receives as arguments any number of iterables and returns an iterator that produces tuples containing the elements at the same index in each. d. The following call to zip below produces the tuples ('Bob', 3.5), ('Sue', 4.0) and ('Amanda', 3.75) consisting of the elements at index 0, 1 and 2 of each list, respectively: names = ['Bob', 'Sue', 'Amanda'] grade_point_averages = [3.5, 4.0, 3.75] zip(names, grade_point_averages)
Which is NOT a technology that has been used to deliver assistance during times of crisis?
a. Ushahidi c. social media b. blend.io d. e-mail
Users can perform mathematical calculations on number even if they are stored as short text data type
Indicate whether the statement is true or false