Motherboard is a largest circuit board found in computer system which provides platform to connect a various types of I/O devices as well as processor and memory. It is a backbone which helps to interact various devices with each other. It is a printed circuit board having complex electrical components. Such as capacitor, diode, IC, transistor, chips etc. It is also having various slots and sockets where I/O devices, RAM and processor are kept. It has two main chips on near the processor is called north bridge chip, on other far from the processor is called south bridge chips. North Bridge Chips links data flow between processor and RAM whereas South Bridge Chips links data flow between PCI devices and RAM. It has a small chips known as CMOS Chips and 3 volt DC battery for CMOS power backup.
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