This document defines the key components of a computer system including the monitor, system unit, keyboard, and other peripherals. It provides detailed descriptions of the monitor, system unit parts like CPU and memory, keyboard parts including function keys and alphanumeric keys, and other input/output devices. The purpose is to teach students the basic parts and functions of the computer system.

1. • It is an electronic device designed
to accept data and process them to
produce the desire output.
MICROKEYBOARDING I

2. • It is an electronic device designed
to accept data and process them to
produce the desire output.
LESSON 1
Parts of the Computer
(Monitor and System Unit)
Objectives:
At the end of this lesson, you will be able to:
1] Know what is monitor and system unit
2] Know the different parts of the System Unit and
3] Know the Definition of keyboard and its parts.
4] Identify the other computer peripherals and its function

3. • It is an electronic device designed to
accept data and process them to produce
the desire output.
• It is an electronic programmable device
that can store, retrieve and process data.

4. • It is a machine
• It is electronic
• It is automatic
• It can manipulate data
• It has memory to store data
• It had logic function
• It can compute

5. • Ability to perform certain logic operation
• Ability to perform a new time dimension
• Ability to restore and retrieve information.
• Speed
• Repetiveness
• Accuracy
• Self checking/self Operating

6. • A computer cannot correct wrong instruction
• A computer cannot generate information on its own
• A computer cannot come out with original decision
• It needs human intervention.

7. • Monitor
• System Unit
• Keyboard
• Mouse
• Printer

8. • It is a television like screen that generally
sits on top or besides of system unit.

9. • Black & White Monitor
• Colored Monitor
• Monochrome

10. • It Produce two Colors such as
black & white.

11. • It Produces Different Colors That becomes
attractive to the user of the computer.

12. • Itproduces single color only.

13. • It is used to Cover The colored Monitor to
reduce the radiation and protect the user.

14. • It is heart of the computer. It is where the
different peripheral devices installed or
connected.

15. • Memory
• Central Processing Unit (CPU)
• Disk Drives
• Various Adapters and Options

16. •It is the storage location of data or
information of the computer.

17. • Random Access Memory (RAM)
• Read Only Memory (ROM)

18. • The data are being stored
temporarily.

19. • The data are being stored
permanently.

20. • Nona Bytes – Trillion of bytes
• Giga Bytes – Billion of bytes
• Mega Bytes - Million of bytes
• Kilo Bytes – Thousand of bytes
• Bytes – it is represent the amount of memory required to store one
character.
• Bits – it is the smallest storage unit of the computer. It has 8 bits in one
bytes.

21. • stands for 'Central Processing Unit' and is the
'brain' of the computer.

22. • It is used to read and write information to
or from diskette.

23. 1. Modem (Modulator &
Demodulator)
2. Web Cam
3. Speakers
4. Scanners

24. • It is used communicate with
other computer over
telephone lines.

25. 1. External Modem – It is a modem
that installed outside the computer.
2. Internal Modem – it is a modem
that installed inside the computer.

26. A digital camera capable of
downloading images to a computer for
transmission over the Internet or other
network.

27. • It is an output device used to produce
sound that can be used for the movie and
audio.

28. • It is an input device used to have a copy or
duplicate of your picture to be edited using your
specific application like Photoshop.

29. • The primary input device used to communicate with the
computer.
• A computer keyboard closely resembles a conventional
typewriter keyboard with the addition of numerous keys that
are used specifically for computing functions. It is an input
device used for entering text.

30. 1. REGULAR KEYBOARD
● It consists of function keys from F1 to
F10.
2. EXTENDED KEYBOARD
● It Consists of function keys from F1 to F12.
it has additional features that help us for entering
information.

33. 1. Function Keys
2. Alphanumeric Keys
3. Numeric Keypad
4. Cursor Movement Keys / Arrow Keys.
5. Light Indicator
6. Special Keys

34. • These are located at the top of the
keyboard. It is labeled from F1 to F12

35. • It is Located at the center portion of
the keyboard. It is the combination
of letters (A-Z) from the alphabet
and number (0-9).

37. • It is located at the right side of the keyboard. It looks like a
calculator that is used for entering numbers.
• When the Num Lock is on, these key are used to enter the
numbers as with an adding machine.
• When the Num Lock key is off, the keys act as navigation keys
using the alternate marking on each key.

39. • It mark with small in the direction of arrow, move the cursor
in the direction of the arrow without altering the characters
on the screen of the cursor movement keys.
• The for keys are used to move the cursor on the screen. The
up and down arrows move the cursor up or down one line.
The left and right arrows move the cursor one character.

41. • It signals the power on or off.
5.1 Num Lock
5.2 Caps Lock
5.3 Scroll Lock

42. • It used to activate the numeric keypad.
Num
Lock

43. • It forces all letters to capitalized.
Caps Lock

44. • It allows the cursor to move around the
document or file.
Scroll
Lock

45. 6.1 Tab Key 6.11 ESC Key
6.2 Shift Key 6.12 Pause Key
6.3 Space Bar 6.13 Break Key
6.4 Back Space 6.14 End Key
6.5 Control Key 6.15 Function Key
6.6 Enter Key 6.16 Home Key
6. 7 ALT Key 6.17 Page Down
6.8 Delete Key 6.18 Page Up
6.9 Insert Key
6.10 Print Screen

46. • It used to move the cursor five spaces to
the right.

47. • It is used to display the special characters
and used to change the uppercase into
lower case and vice versa.

48. • It used to move the cursor to the right
pushing text to the right.

49. • It used to delete character from right to left
and moved the cursor to the left.

50. • The Control Key does nothing all by itself. It
must be pressed in the combination with
other key.

51. • It expands the use for the function advance the
cursor to the next line enter keys executing the
command.

52. • It used with the combination of other key
with corresponding command to be
executed.

53. • It erases the character at the current
position.

54. • Toggles the software insert mode and type
over replace mode.

55. • It prints what is currently displayed on the
monitor will be printed out by the printer.

56. • The Escape key is use to cancel action in
progress before they finish. It is also used
to close certain dialog boxes.

57. • It is used to pause computer operation.

58. • It is used to cancel computer.

59. • The End Key is a navigation key. It will send
the cursor to the end of current line.

60. • These are located at the top of the
keyboard. It is labeled from F1 to F12

61. • The Home Key is a navigation key for the
cursor. It will move the cursor to the
beginning of the current line.

62. • The Page Down Key is a navigation key
which will drop the displayed area down
the page one screen’s worth.

63. • The Page Up Key is A navigation key which
move the cursor up the displayed area one
screen’s worth.