Answer:

The worksheet is single page spreadsheet or page in Excel, where you can write, edit and manipulate data, whereas the collection of such worksheets is referred as a workbook. It is very similar to a single page (worksheet) and a complete book (workbook).

The main difference between Save and Save As is that Save helps to update the lastly preserved file with the latest content while Save As helps to store a new file or to store an existing file to a new location with the same name or a different name.

Generally Alt+F4 closes the Application whereas Ctrl+F4 closes the Window.

Explanation:

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