Which type of virtual disk creates a parent/child relationship between two files that comprise the disk?

Semi-selection or pointing is the process of using the mouse to select cells while building a formula

Indicate whether the statement is true or false

There are four attributes of a good tool that can be used to calculate its usability as a tool. Which of the following is not one of those attributes?

a. Cost b. Consistency c. Accuracy d. Usability