I. Match the following words from the text with their definitions.

1. To respond to A. A stationary device related to the mouse.

2. Input device B. Devices that allow you to use a computer by

touching the surface of its VD screens.

3. Output device C. To do something in answer; react.

4. Stationary D. Correct or suitable for a particular situation

or occasion.

5.Appropriate E. A small rectangular touch-sensitive surface

usually placed bellow the keyboard.

6. Trackball F. Standing still, not moving.

7. Pointing Stick G. Machines by which information is sent to the

computer.

8. Touchpad H. A small buttonlike device, sometimes likened

to the eraserhead of a pencil.

9. Touch screens I. Machines by which information is received

from the computer.

II. Identify whether the following statements are true or false. Use the model:

1) Student a: Using the touch screen, you can indicate your selection on a menu display by just touching the screen next to that menu item. – Student b: Yes, you are quite right.

2) S. A: The Esc key is often used to type uppercase rather than lowercase letters. –S. B: No, you are wrong! This key is used to cancel data entries and to terminate the execution of commands and programs.

1. Pressing buttons on the mouse activates various activities represented by the icon selected.

2. You can now enter data and commands into a computer system through pointing devices like electronic mice.

3. The enter key is often used to cancel data entries and to terminate the execution of commands and programs.

4. Holding down the shift key causes the letter keys to type lowercase rather than uppercase letters.

5. The trackball, pointing stick, and touch pad are other pointing devices most often used together with the mouse.

6. Touch screens are devices that allow you to easily choose from menu selections and icon displays using point-and-click or point-and-drag methods.