The smallest header element is ________

When Windows is first installed, two user accounts are created by default. One is the Administrator account, and the other is the ____________ account.

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

To check for invalid data entered as the result of a formula or automated tools such as Goal Seek, use the ‘____' command.

A. Bold Invalid Data B. Delete Invalid Data C. Circle Invalid Data D. Replace Invalid Data