1. Computer Basics

2. What is a Computer?
An electronic device for the storage and processing of information.
Four basic actions
Input
Processing
Output
Storage

3. Monitor
Computer Tower
Speakers
Keyboard
Mouse

4. CD-ROM &/or
CD-RW
Floppy Disk
Power Button

5. Input Devices

6. Output Devices

7. Hardware on the Inside Power Supply Drive Bay Case Fan Motherboard
Sound Card
Modem

8. Circuits Motherboard Sound Card Video Card Modem
Operating the computer’s sound
Video Card
Handles graphics that are displayed on the monitor
Modem
Allows computers to talk to each other
CPU (Central Processing Unit)
Brain of the computer; controls information and tells other parts what to do
BIOS (Basic Input Output System)
Wakes up the computer when you turn it on
Reminds it what parts it has and what they do

9. Motherboard Mother to all of the other circuit boards
Has many smaller boards plugged into it
Expansion Cards
Sound Card
Video Card
Modem

10. Ram & Rom RAM (Random Access Memory) ROM (Read Only Memory)
Remember what you tell them and can change to remember new information
When computer turned off, RAM forgets
Important to save
ROM (Read Only Memory)
Good at remembering, but cannot change it’s mind

11. Ports
are the places on the outside of the computer case where you plug in hardware

12. Storage
to hold data or information and get that data to the CPU as quickly as possible when it is needed
Computers use disks for storage
hard disks that are located inside the computer
floppy or compact disks that are used externally

13. Hard Disk Two types of memory
primary memory which is stored on chips located on the motherboard
holds all of the essential memory that tells your computer how to be a computer
secondary memory that is stored in the hard drive
holds the information that you store in the computer

14. Storage Devices