1. Introduction to Computer
Keyboard and Controls
Unit 1

2. Introduction to Computer Keyboard and Controls
▪ What is a Computer Keyboard?
▪ The Keyboard Layout
▪ Types of Keys and its functions

3. Objectives
At the end of the unit, the students should be able to:
▪ List and describe the parts of keyboard.
▪ Identify the layout of English computer keyboard.
▪ Identify the functions of different keyboard keys.

4. Unit 1.1 – What is a Computer Keyboard?
▪ An input device used to enter
characters and functions into the
computer system by pressing buttons,
or keys.
▪ It is the primary device used to enter
text.
▪ Contains keys for individual letters,
numbers and special characters, as well
as keys for specific functions.
▪ Connected to a computer system using
a cable or a wireless connection.
▪ The basic PC keyboard layout has 104
keys.

5. Keyboard with Different Languages
Common English Keyboard Typical Thai Keyboard

6. Unit 1.2 – The Keyboard Layout
▪ Function keys: These keys are
positioned on the top row of the
keyboard. They’re labeled F1, F2, F3,
and on up to F11 and F12.
▪ Typewriter keys: These keys are the
same types of keys you find on an
old typewriter: letters, numbers, and
punctuation symbols.
There are four main areas on your PC’s keyboard
▪ Cursor-control keys: Often called
arrow keys, these four keys move the
text cursor in the direction of their
arrows. Above them are more cursor-
control keys — the six-pack of Insert,
Delete, Home, End, Page Up, and Page
Down.
▪ Numeric keypad: contains
calculator-like keys.

8. TYPES OF KEYS
Unit 1.3

9. Types of Keys
Alphanumeric Keys –
keys that contains of all
letters on the alphabet
(A-Z) and numbers (0-9)
on the keyboard.

10. Types of Keys
Punctuation Keys – All of the
keys associated with
punctuation, such as the
comma (,), period (.), semicolon
(;), brackets ([ ]), and
parenthesis ({ }, ( ) ) and so on.
Also, all of the mathematical
operators such as the plus sign
(+), minus sign (-), and equal
sign (=).

11. Types of Keys
Alt Keys – Short for Alternate,
this key is like a second control
key.

12. Types of Keys
Shift or Alt Keys – To move the
cursor in more than one
position at a time.

13. Types of Keys
Backspace Key – Deletes
the character just to
the left of the cursor
(or insertion point) and
moves the cursor to
that position.

14. Types of Keys
Enter or Return Keys – It is
used to enter commands or to
move the cursor to the
beginning of the next line.

15. Types of Keys
Caps Lock Key – It is a
toggle key, which when
activated, causes all
alphabetic characters to
be uppercase.

16. Types of Keys
Ctrl Keys – The control key is
used in conjunction with
other keys to produce
control characters. The
meaning of each control
character depends on
which program is running.

17. Types of Keys
Function Keys – special keys labelled F1 to F12.
These keys have different meaning depending on which program is running.

18. Types of Keys
Navigation Keys – Arrow
keys, Page Up/Page
Down, Home, and End
are convenient to
move your cursor to
the desired location.

19. Types of Keys
Tab Key – A key on
computer keyboards that
inserts a tab character or
moves the insertion point
to the next tab stop.

20. Types of Keys
Delete Key – The Del key
deletes the character at the
current cursor position, or the
selected object, but does not
move the cursor.
For graphics-based applications,
the delete key deletes the
character to the right of the
insertion point.

21. Types of Keys
Esc Key – is used to send
special codes to devices
and to exit (or escape)
from programs and tasks.

22. Types of Keys
PrtScn/SysRq or Print Screen
Key
– captures the entire screen

23. Types of Keys
Scroll Lock Key
– was originally intended to be
used in conjunction with
the arrow keys to scroll through
the contents of a text box.
– used to stop the scrolling of
text or halt the operation of a
program.

24. Types of Keys
Pause Break Key
– used to temporarily halt a
computer process. For example,
the pause key could be used to
momentarily stop a computer
game or program while the user
steps away.

25. Types of Keys
Num Lock Key
– Pressing this key activates the
numeric keypad at the right of the
keyboard.
– Press the key again to turn off
the Num Lock and you can use the
arrow keys on the 2,4,6,8.

26. Types of Keys
LED Indicators
- when LED indicators are on the
Caps Lock, Scroll Lock, and
Num Lock are activated.
Pressing the buttons again to
turn off the LED indicator and
keys are deactivated.

27. Let’s check your
knowledge!
Quizzes

28. Quiz No. 1

29. 1. Enumerate the 4 main areas of a computer keyboard?
1.
2.
3.
4.

30. 5. Which is NOT a key in a computer keyboard?
a. Alphanumeric key
b. Sharp key
c. Alt key
d. Prnt Scrn key

31. 6. It is an ________ device used to enter characters
and functions into the computer system.
a. mouse
b. hand
c. input
d. output

32. 7. The basic PC keyboard layout has ______ keys.
a. 90
b. 104
c. 120
d. 88

33. 8. These keys are positioned on the top row of the
keyboard. They are labeled F1, F2, and so on.
a. Numeric keys
b. Typewriter keys
c. Control keys
d. Function keys

34. 9. Type of key that contains of all letters on the alphabet
(A-Z) and numbers (0-9) on the keyboard.
a. Alphabet keys
b. Navigation keys
c. Control keys
d. Alphanumeric keys

35. 10. Short for Alternate, this key is like a second control
key.
a. Esc key
b. Caps Lock key
c. Home key
d. Alt keys

36. Answer Key to Quiz # 1
1. Function keys
2. Numeric keypad
3. Cursor Control keys
4. Typewriter keys
5. B – Sharp key
6. C – input
7. B – 104
8. D – Function keys
9. D – Alphanumeric keys
10. D – Alt keys

37. Quiz No. 2

38. Enumeration: Give 10 Types of Keys that you can remember.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.

39. Answer Key to Quiz # 2
1. Alphanumeric keys
2. Punctuation keys
3. Alt keys
4. Shift keys
5. Backspace key
6. Enter or Return keys
7. Caps Lock key
8. Ctrl keys
9. Function keys
10. Navigation keys
11. Punctuation keys
12. Tab key
13. Delete key
14. Esc key
15. Print Screen key
16. Scroll Lock key
17. Pause Break key
18. Num Lock key

40. Let’s Practice!
Typing Exercises that will improve your speed and accuracy in typing.

41. Visit this link https://www.typing.com/student/tests
and take the 3:00 Test and record your result.

42. REFERENCES
- Zandbergen, P. What is a Computer Keyboard at
https://study.com/academy/lesson/what-is-a-computer-keyboard-parts-
layout-functions.html
- The Basic PC Keyboard Layout
https://www.dummies.com/computers/pcs/keyboards/the-basic-pc-
keyboard-layout/
- Unit 2 Data Entry & Keyboarding Skills pp. 16 – 17
http://ncert.nic.in/textbook/pdf/ieeo102.pdf
- Typing test exercise https://www.typing.com/student/tests

43. Presented by: Jennifer D. Firat
Eastern Technological
College
Dual Language Program