Why awt components are called heavy weight components?

AWT components are the components that have their own source of screen and thus are considered as heavy-weighted.

Explanation:Abstract Window Toolkit(AWT) components are composed of the native peer and does not share screen with any other component that is why they are known as heavy weight components and light weight components are those which share screen.

The characteristics  of heavy weight components are that it is mostly opaque and can be rectangular in nature .

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yes we can change both the color of the value of a cell as well as background color of a cell at the same time .

as we know that excel sheet consists of columns and rows.

and intersection of column and row is called cell.

we can change color of the cell and background of the cell at the same time.

hence the statement that

can a person change color of the cell and background of the cell at the same time is true.