FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -Fill Handle: The fill handle is the small bold square in the bottom right corner of a cell that can be used to copy (fill) data to adjacent cells in the same row or column.

Detailed explanation-2: -The fill handle is the small black square in the bottom right corner of the selection. To autofill, drag the fill handle up or down. Excel will automatically fill in the cells with the correct information.

Detailed explanation-3: -The Fill Handle is the small green square located in the bottom right corner of your selection-be it one cell or a larger group of cells. Double-clicking the Fill Handle causes the selected text, formula, or data to be copied downward, with different behaviors resulting depending on the contents of the cell.

Detailed explanation-4: -The mark is used to resize the table comprising the data, though resizing automatically occurs when data are added to a cell immediately below or to the right of the table. Before making changes to eliminate the mark, you might want to consider any advantages a table offers.