This document provides an overview of basic PC anatomy and parts. It discusses the three types of computer chassis: desktop, tower, and laptop. It then describes the front and rear parts of the casing, including lights, ports, and connectors. The document details several internal computer components, including the motherboard, CPU, video card, RAM, CD-ROM drive, and sound card. It explains the basic functions of each part. Students are expected to label the parts of a system unit and complete an assignment on generations of computers.

1. Basic PC
Anatomy

2. OBJECTIVES:
• identify the 3 kinds of chassis;
• discuss and identify the basic parts of a system unit;
• appreciate one’s role and responsibility in school,
family, and environment;
• label the parts of a system unit.
At the end of the period, the students are expected to:

3. Do you believe
that computer also
has a heart and a
brain?

4. Computer box is also known as COMPUTER CHASSIS.
It comes in 3 kinds:
1. Desktop – lays horizontally on top of the desk, and the
monitor is placed on top.
2. Tower – lays vertically on top of a desk and the
monitor stand by the side.
3. Laptop – uses a special kind of computer chassis that
allows the computer to be carried in a small bag and
can be placed on one’s lap. The monitor is hinged with
the main body of the case and serves as a cover of a
built-in keyboard.

5. 1. FRONT of the CASING
- CD drive light
- Power light
- Hard drive light
- Turbo led
- Turbo switch
- Reset switch
- Power switch

6. 2. REAR of the CASING
- Power cord
- Monitor cord
- Fan / Ventilation
- Keyboard connector
- Ports

7. Inside the Computer
When you first open up a
computer it can look pretty
messy and daunting to figure
out. There are so many bits
are pieces of a computer that
it makes it very hard to figure
out what each piece just
does.

8. Motherboard
The primary purpose
of the motherboard is to
allow other components
to communicate to each
other. It houses all the
components and turns it
into one "unit"

9. CPU
The CPU is the
brain and heart of
the computer.
It controls and
manipulates data to
produce the required
information.

10. Video card
The Video card allows
you to see. The monitor is
plugged into the video card
so the video card will be able
to produce a image that will
be displayed on the screen.

11. RAM
Random Access Memory

12. CD-ROM
A CD-ROM is a
drive which allows
you to read CDs. It
can read data CDs
and it can also play
music CDs.
A data CD
holds around 650
Megabytes of
information.
The Read-Only-
Memory means
that a CD cannot
be written to or
erased.

13. Sound Card
A sound card allows you to
hear the enhanced sounds and
music. It makes the sound coming
out of your computer nicer.
Most computers come with a
PC speaker. This speaker only
does BEEP noises. When a sound
card is added you are able to hear
enhanced sounds, speech and
music.
A sound card must be plugged
into speakers or a head phones.

14. CPU plays a vital role in
the operation of as
computer.
When do you play as a
CPU to others?

15. HOTS:
What is the use of having a
little background on PC
Anatomy? How can it help
you?

16. Identify the
following parts of
a System Unit:

17. MOTHERBOARD

18. CPU

19. Video Card

20. RAM

21. CD-ROM

22. SOUND CARD

23. Assignment:
What are the different
generations of computer?