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2. Computer Practice N4

3. KEYBOARD PROFICIENCY
MODULE 2

4. THE KEYBOARD
UNIT 2.1

5. Qwerty keyboard Alphabetical keys. Caps lock key.
Numerical keys and special signs on the top of each key at the top row.
Space bar.
Enter key.
Two shift keys.
Caps lock key.
Tab key.
Backspace key.
Escape key.
Two Ctrl (control) keys.
Two Alt keys to use in conjunction with other keys.

6. Qwerty keyboard
Figure 2.1: A QWERTY keyboard

7. Qwerty keyboard Function keys Direction keys
Situated at the top of the keyboard (F1–F12).
Are programmable keys and can execute different functions with different programs.
Direction keys
On the right-hand side of the keyboard.
Arrow keys control the movement of the cursor on the screen (left, right, top and bottom)

8. Assessment activity 2.1
Test your knowledge of this section by completing Activity (page 13 of your Student’s Book)

9. CORRECT SITTING POSTURE
UNIT 2.2

10. Maintain the correct sitting posture
Sit up straight. Support your back with the chair rest.
Keep feet flat on the floor.
Curl your fingers on the keyboard with your thumbs on the spacebar.
Wrists and arms should not rest on the table.
Fingers should rest slightly on the home row, returning to their original position after each keystroke.
Touch the keys lightly and release them immediately.
Keep your eyes on your work.

11. Maintain the correct sitting posture
Figure 2.2: The correct sitting posture

12. VIDEO: Correct posture while sitting

13. Assessment activity 2.2 – 2.5
Test your knowledge of this section by completing Activity 2.2 – (page 14 – 20 of your Student’s Book)

14. Alt key ASCII codes Used to create letters and symbols with Alt key
The ASCII codes

15. Manuscript signs
To input changes from a hard copy document into an electronic one, manuscript signs are used to mark up mistakes or changes.

16. Manuscript signs
Manuscript signs used to correct hard copy

17. Manuscript signs
Manuscript signs used to correct hard copy (continued)

18. Manuscript signs
Manuscript signs used to correct hard copy (continued)

19. Manuscript signs
Manuscript signs used to correct hard copy (continued)