The major part is important to make sure the gadget functionally in good condition.The main part of the portable media is the internal hard disk that provide a memory of space to store achieve that be desired by user.The important of the hard disk is functionally not just to save picture,songs or much more but it is as header of the portable because the driver or programming that be setting is be stored in the hard disk.The minor part of this hard disk is the functional buttons that as a choice to user to make their decision and the data will be sent to hard disk to be processing and to be understand.
The second main part is the breadboard or also known as motherboard in a certain gadget.It is the most important because it acts as processor to give function to the portable media.The minor part of the breadboard is the components that attached to the breadboard like Led, transistor, switch and much more.The components have their own function like to control the charge of electric. Thats all.