The question asks to identify the primary components that make up a Microsoft Excel workbook.

Excel Workbook Components Explained

In Microsoft Excel, a workbook is the fundamental file structure. Think of it as the main container for your spreadsheet data and related elements.

Workbook Structure: Worksheets

The core concept is that a workbook is primarily a collection of individual worksheets (also known as sheets or tabs). Each worksheet is a grid where you enter and organize data, create charts, and perform calculations.

Analyzing the Options

• Worksheets: This is the correct answer. A workbook holds multiple worksheets.
• Charts: Charts are created on, and reside within, individual worksheets.
• Photos: Images can be inserted into worksheets but are not the defining collection of a workbook.
• Word books: This term is not relevant to Excel's structure.

Conclusion: A Microsoft Excel workbook is essentially a collection of worksheets.