1. Computer Components

2. Contents A Brief Introduction What’s Inside a Computer?
Video: Computer Tour
Key Terms
Your Presentation

3. COMPUTERS
LAPTOP / NOTEBOOK
DESKTOP
WORKSTATION
SERVER
POCKET PC

4. What’s Inside a Computer
CASE
MOTHERBOARD
CPU
RAM
HARD DISK
GRAPHICS CARD / VEDIO CARD
POWER SUPPLY
I/O DEVICES

5. CASE
DVD/CD drive
Hard drive
power
Power Light

6. MOTHERBOARD
MOTHERBOARDS tie everything in your computer together.

7. MOTHERBOARD
Computer hardware, such as MEMORY, PCI and AGP connect to the MOTHERBOARD through SLOTS.

8. MOTHERBOARD
On a PC, it consists of two basic parts -- the NORTH BRIDGE and the SOUTH BRIDGE.

9. CPU
A microprocessor -- also known as a CPU or CENTRAL PROCESSING UNIT -- is a complete computation engine that is fabricated on a single CHIP.

10. RAM
RAM or RANDOM ACCESS MEMORY has a big effect on SYSTEM PERFORMANCE.
SIMM, or single in-line memory module has a 32-bit path to memory chips
DIMM, or dual in-line memory module, has a 64-bit path to memory chips,

11. HARD DISK
A HARD DISK is a sealed aluminum box. The controller electronics are attached to one side, controlling the read/write mechanism and the motor that spins the platters.

12. Inside the HARD DISK

13. Extended Reading Parallel and Serial Interfaces
26-inch Internal SCSI Cable
External SCSI4 Cable
Serial ATA Drive Connection Cable
ATA Connection Cable

14. HARD DISK Two typical ways to connect a HARD DRIVE to a PC
The INTEGRATED DRIVE ELECTRONICS (IDE) INTERFACE which is also called ADVANCED TECHNOLOGY ATTACHMENT.
The SERIAL ADVANCED TECHNOLOGY ATTACHMENT (SATA).

15. GRAPHICS CARD / VIDEO CARD
Like a MOTHERBOARD, a GRAPHICS CARD is a printed circuit board that houses a PROCESSOR and RAM.

16. GRAPHICS CARD / VIDEO CARD
The PERIPHERAL COMPONENT INTERCONNECT (PCI) CARD uses 47 PINS to attach to a PCI SLOT. Pins are

17. GRAPHICS CARD / VIDEO CARD
PCI EXPRESS or PCIe eliminates the need for the AGP (ACCELERATED GRAPHICS PORT) by accepting more data and supplying more power to VIDEO CARDS.

18. POWER SUPPLY
PC POWER SUPPLIES use switcher technology to convert the AC input to lower DC voltages. The 3.3- and 5-volts are typically used by digital circuits, while the 12-volt is used to run motors in disk drives and fans.

19. INPUT DEVICES Keyboards Mice ( Mouse pads ) Game Controller Scanner
Graphics Tablets

20. OUTPUT DEVICES
Monitors
Printers
laserjet
inkjet
Plotters
Speakers

21. VIDEO: COMPUTER TOUR
Let’s watch a video.

22. KEY TERMS MOTHERBOARD COMPUTER CHIP DESKTOP SLOT LAPTOP SOUTH BRIDGE
WORKSTATION
SERVER
CASE
MOTHERBOARD
CHIP
SLOT
SOUTH BRIDGE
NORTH BRIDGE
CPU
PROCESSOR
MEMORY
RAM

23. KEY TERMS MOUSE HARD DISK KEYBOARD IDE GAME CONTROLER SATA VIDEO CARD
GRAPHICS CARD
AGP
PCI
PCIE
POWER SUPLY
MOUSE
KEYBOARD
GAME CONTROLER
GRAPHIC TABLET
SCANNER
MONITOR
PRINTER
PLOTTER
SPEAKER

24. Your Turn to Give Presentations
What’s inside a computer?
What’s a CPU?
What’s a RAM?
What’s a HARD DISK?
Give some example of I/O Devices.

25. MORE RESOUCES http://www.google.com http:// www.baidu.com …