The function ____ returns True if the text can be converted to a number.
A. isNumeric(str)
B. numberToString(num)
C. isLetter(str)
D. stringToNumber(str)
Answer: A
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The ____________ displays a standard Windows Open dialog box.
a. Open method b. Open File Dialog control c. Find File Dialog control d. Select File control
If you want a class that implements the List interface and do not need any methods beyond those in the List interface, you can use the ____________ class.
a. Vector
Which of the following is not a characteristic of a binary search tree?
A. Each node has zero, one, or two successors. B. The preorder traversal processes the node first, then the left subtree, and then the right subtree. C. There are only six possible tree traversals. D. Data are processed in key sequence when the tree is traversed using an inorder traversal. E. The key of all nodes on the left subtree are greater than or equal to the key of the node.
An RJ11 connector is capable of having up to how many pins?
A. 8 B. 2 C. 4 D. 6