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1. Teachers Name Here:
Subject teacher
PC HARDWARE
COMPONENTS

2. PC Main Hardware Parts
• Motherboard
• CPU
• Ram Memory
• Expansion Card
• Optical Disk Drive
• Hard Disk
• Power Supply
• Keyboard
• Monitor
• Mouse

3. Internal Hardware
• 1. System Unit- The main part of a
microcomputer, sometimes called the
chassis.
• 2. Motherboard - The main circuit board
of a computer. It contains all the circuits
and components that run the computer.
• 3. CPU (Central Processing Unit) - The
processor is the main “brain” or “heart” of
a computer system.

4. Cont.
• Primary storage or Memory – stores
all running process including the
application and the operating system
Two (2) Types of Memory
ROM – (Read Only Memory) ROM is non-
volatile, meaning it holds data even when
the power is ON or OFF.
RAM – (Random Access Memory) RAM
is volatile, meaning it holds data only
when the power is on. When the power is
off, RAM's contents are lost.

5. Cont..
• Internal Buses – Connect the CPU to the
other internal component. Such as; North
Bridge, PCI, SATA
• External Buses – support ports for
external devices.
• Power Supply Unit – supplies power to
the other component in a computer.

6. External Hardware
• Keyboard – allows computer to input,
letters, number, and other symbol into a
computer
THE KEYS ON A COMPUTER KEYBOARD
 Typing Keypad / normal Keypad
 Numeric Keypad
 Function Keys
 Navigation keys / Cursor Keys
 Special Keys
 Escape Keys

7. Cont.
• Monitor – display information from
the computer
Types of Monitor
 CRT ( Cathode Ray Tube) Monitor
 LCD (Liquid Crystal Display )
Monitor
 LED (Light Emitting Display )
Monitor

8. cont
• Mouse – senses your motion and
your clicks send them to the
computer so it can respond
appropriately
• Note: the hardware will not work
without bios or BASIC INPUT /
OUTPUT System which include
boot instruction and power
management.

9. Storage Devices
• Hard Disk – for medium-term storage
of data
• Solid State Drive – devices similar to
hard disk, but containing no moving
part and stores data in a digital format
• Removable Media – is any type of
storage devices that can be removed
from a computer while system is
running

10. Type of Software
• System Software - Any
software required to support
the production or execution
of application programs, but
which is not specific to any
particular application.
• Application Software –
Designed to help the user to
perform singular or multiple
related tasks.
LINUX

11. PEOPLEWARE
• People ware - Refers to people
involved in the data processing
operations such as the system
administrator, office workers,
students and others