Aaron has elaborate systems set up on his computer to remind him of all the things he has to do and when he has to do them. The computer is helping Aaron with memory.

Prospective memory

Explanation:

The main aim of Prospective  it includes recalling to perform  a planned action at  some specific point in time. Prospective memory includes the intention to perform a physical action and is linked to forward-looking behaviors.

Aaron has elaborated the set up of the system and the computer it reminds the things.The prospective  memory used in the  computer to carry out these things

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.