The Web, as a computing platform that supports software applications and the sharing of information among users, is referred to as _____.

All of the following statements are TRUE about the benefits to using Microsoft Excel to create digital dashboards EXCEPT:

A) Because companies can get free copies of the full version of Excel for all of their employees, leveraging the capabilities of Microsoft Excel is a very cost-effective solution. B) People will spend less time learning how to use the dashboard and more time getting value from what is displayed. C) With the appropriate know-how, Excel can be much more flexible in the variety of analytics it can provide in a dashboard than many off-the-shelf solutions. D) Having the capability of creating your own reporting mechanisms in Excel can reduce your reliance on the IT department's resources.

Consider the operation of deleting the root of a binary search tree. If the root has one child, then

A) the root of the subtree should be recursively deleted B) the element stored in the root node should be replaced with null C) the reference to the root of the tree should be set to point to the one child D) the operation should be recursively performed on the one subtree of the root