* / Choose the correct answers:

1. The mouse is an (input-output) unit.

2. We use the (mouse-keyboard) for typing.

3. The microphone is an (input-output) unit.

4. We use the (mouse-scanner) to move point and select.

5. We use (joystick – monitor) to play games.

6. We use the (printer-speakers) to listen to music.

7. We use (printer-mouse) to print photos.

8. We use (scanner-printer) to input pictures.

9. We use the (printer-monitor) to see what we do on the computer.

10. The main part of the computer is (system unit-microphone)

11. The speakers are (input-output) unit.

12. We use the microphone to (hear-insert) sound.

13. We use the printer to (insert-print) picture.

*  Put (√ ) or ( X ):-

1. We use the speakers to listen to music and sounds.   (     )

2. The monitor is an output unit.  (      )

3. The scanner is an output unit.  (     )

4. . We use the printer to print photos.  (    )

5. We use the mouse to see what we do on the computer.  (     )

6. All parts of the computer must be connected to the system  (     )

7. The system unit must be connected to electricity.  (    )

8. We use output units to insert data.   (     )

9. We use the mouse to get information.   (     )

10. We use the speakers to insert data.  (    )

11. We use the monitor to get information.  (     )

12. . We use the keyboard to get information.   (     )

13. We use the printer to get information.   (    )