Help me with this, please. Are vacuum cleaners, Cd players, and telephones considered computers? Do they store any data or process any data?

yes

Explanation:

they are considered computers, telephones store and process data, CD players, process data, and vacuums surprisingly store and receive data.

answerdragging;

only #2 represents an object at rest on a table.

in #1, there is no normal force due to the table; the object is accelerating downward.

in #3, the vertical forces are not balanced; the object is accelerating downward.

in #4, neither the vertical nor the horizontal forces are balanced. the object is accelerating upwards and to the right.