1. Computer Components

2. What is a Computer
A electronic device, operating under the control of instructions (Operating Systems and Application software)
Can accept data
Process the data
Produce Results ?

3. Operating System Software
Set of programs that coordinates all the activities among computer hardware devices
Windows 7
Vista XP

4. Data vs. Information Data – unprocessed items
“Stuff” you enter into computer
Information – Processed data
The processed data that is useful to you
Information
Data

5. Computer Components Input Devices Output Devices System Unit
Storage Devices

6. Input Devices
Keyboard
Mouse
Microphone
Scanner
Digital Camera

7. Output Devices
Printer
Monitor
Speakers
IPod

8. System Unit Processor CPU (Central Processing Unit) Memory
Contains the electronic components of the computer
CPU (Central Processing Unit)
Interprets and carries out the basic instructions
Memory
Stores instructions waiting to be executed and data needed by those instructions

9. Storage Devices
USB Flash drive
External Hard disk
Hard Disk Drive CD