A crosstab query always has at least one row heading, one column heading and one summary field

Each small element that is recorded by a photo detector is called a picture element or ________

Fill in the blank(s) with correct word

Which of the following is NOT true about contextual tabs?

A) A contextual tab contains commands related to a selected object so that you can manipulate, edit, and format the object. B) Contextual tabs help keep the workspace less cluttered. C) Contextual tabs disappear when the object is deselected. D) A contextual tab is located below the standard ribbon tabs.