In older systems, often the user interface mainly consisted of -control screens that allowed a user to send commands to the system. Question 1 options: physical process input command

Process

Explanation:

In older systems, the user interface mainly consisted of process-control screens that allowed a user to send commands to the system. These systems were used in a great variety of industries, and it gave the user control over process measurements or process variables. It also allowed the user to view the current state of the process, modify the operation of the process, and perform other related actions.

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.