Computer CPU- Central Processing Unit Different View Tutorial Guide

Here is the Inside view of Computer CPU- Central Processing Unit. 

Here is the Inside view of Computer CPU- Central Processing Unit.
It conatins:
Motherboard.
Processor.
CMOS.
RAM.
ROM(Inbuild)
System Buses/Wires.
Hard Disk Drive.
CD/DVD Drives.
Floppy Drives.
Sound Cards.
Cooling fan.
Graphics Cards etc.

Here is the Back view of Computer CPU- Central Processing Unit.

It contains various Ports:
USB Ports.
Sound Ports.
VGA port.
NIC- Network Interface Cards.
Power Prt.
On/off Switch.
Mouse and Keyboard ports.

Here is the front view of Computer CPU- Central Processing Unit.

The outside box is called Computer tower or Computer Case or Cabinet(ATX).
Here you got the shutdown switch and restart button.
It has some blinking lights red, green or yellow.
It also contains USB ports and Audio Ports.