Which of the following is an absolute cell reference

The content of the cell is called an absolute cell reference.

Explanation:

Ms-excel can hold a value or string or number or formulas in each cell.  

The end-user can input the values to a cell and do any calculation by using inbuilt formulas and do the necessary calculation and get the output in the required cell  

When end-user try to copy and paste the data to another cell he or she can use paste special option where he or she can select values, by selecting values to end-user is just copying the data not formula this is called absolute reference of the cell

By using paste special end users copy the image or Unicode also.

This process is called an absolute cell reference