1. History of the Keyboard
Prepared by:
Shirley P. Valera
Grade 3 St. Maria Gorretti/St.
Francis/St.Augustine
School Year 2017-2018

2. Objectives
1.Identify the inventor of the
keyboard.
2.Recognize how a keyboard works.

3. Review
Pupils will identify the step-by-
step way of opening the:
 MSPaint
 Calculator
 Wordpad
 Notepad
 Sound Recorder

4. Questions:
Video: keyboarding
• Do you know the different kinds of
keyboard?
• How does a keyboard work?

5. Song:

6. History of the keyboard
Inventor: Christopher Latham
Sholes
Inventions: typewriter
Year: 1864
Christoper designed the layout
an called it “QWERTY “
keyboard , which is name after
the top row letters.

7. History of the keyboard
Different types of keyboard
- There are 110 keys on a computer
keyboard.
- Keys are the small square keys that
are used to press the letters,
numbers, special commands,
functions , and special symbols

8. History of the keyboard
According to connection type
1.Wireless keyboards

9. History of the keyboard
According to connection type
1.Wireless keyboards
a. bluetooth keyboards- uses
the bluetooth wireless signal
to connect the keyboard to
a mobile device

10. History of the keyboard
According to connection type
1.Wireless keyboards
b.infrared (IR) keyboards –
transmits data to the
computer through an
infrared receiver

11. History of the keyboard
According to connection type
1.Wireless keyboards
c. Radio Frequency keyboard
- connects to the
computer through radio
frequency

12. History of the keyboard
According to connection type
2.wired keyboards

13. History of the keyboard
According to connection type
2.wired keyboards
a. PS/2 keyboard – is the
Cheapest available keyboard
in the market , connected to
PS/2 slot of CPU

14. History of the keyboard
According to connection type
2.wired keyboards
b. USB keyboard- uses
The USB ( Universal Serial
Bus) to connect to the
CPU

15. History of the keyboard
According to connection type
3. According to layout
a. Ergonomic keyboard

16. History of the keyboard
According to connection type
3. According to layout
b. compact keyboard

17. Generalization
- computer keyboards are input
devices. They put information
when someone types
something

18. Activity ET p. 92 Keyboard
Group 1- wired keyboards
Group 2- PS/2 keyboard
Group 3- USB keyboard
Group 4 - according to layout
Group 5- ergonomic keyboard
Group 6 - compact keyboard

19. Identify the following. Write the answer in the
space provided.(EIT p.89-90)
1. _____ transmit data to the computer through an infrared
receiver.
2. _____ it is connected to the PS/2 slot of the computer.
3. _____ designed to give control to the hands and wrists of the
keyboard user.
4. _____ inventor of the “type –writer”.
5. _____ top row keys of the keyboard
6. _____ uses Bluetooth technology
7. _____ slim and does not have a numeric keypad
8. _____ connected through radio frequency
9. _____ a small square key that is used to press the letters ,
numbers , special commands , functions , and special symbols,
10. _____ means Universal Serial Bus

20. Identify the different kinds of keyboard. (ET p.91)

21. Identify the different kinds of keyboard. (ET p.91)

22. Identify the different kinds of keyboard. (ET p.91)

23. References
Enjoying I.T. pp.83-93
Video

24. Skills E G NP
Able to join the group activity.
Able to participate well in the group discussion.
Able to share useful information about the report.
Able to draw the keyboard in the illustration board.
Able to report in front of the class.
TOTAL SCORE
HANDS - ON
E=Excellent ( 5pts.) G=Good ( 3-4 pts.) NP= Need Practice ( 1-2 pts.)