Date: Lesson Meeting people Lesson materials appendix lead in activity

Lesson 9: Computer input devices
Lesson materials
APPENDIX 1. PICTURE
Work in groups. Look at the picture. Guess the functions of the input devices, give the definition of input devices in one sentence and present



Definition:

Input devices are hard devices which let us enter data and commands into the computer

APPENDIX 2. GLOSSARY

Work in groups. Guess the meaning of the following words
Key _any of the set of moving parts that you press with your fingers on a computer keyboard_

Key pad_the keys with numbers on them on the right side of a computer keyboard__

Click_to carry out a computer operation by pressing a button on the mouse or keyboard_

Double click_to press a computer mouse twice to tell the computer to do something__

Right click_to press the button on the right of a computer mouse in order to make the computer do something__

Drag_to move something on a computer screen using a mouse_

Caps lock_a key on a computer keyboard that you press to make any letters you type appear as capital letters until you press it again__

Backspace_the key that you press an a computer keyboard to move the cursor to an earlier point_

CTRL_a key on a computer keyboard that you press with other keys to make the computer carry out a particular action__