Motherboard :
The most important component in a PC system ist the motherboard. It
contain the CPU, math proccessorr, system clock, ROM with the system BIOS
routines, RAM , keyboard controller, logic that relates to i/o operation and
much more electronic. All electronics component may not mounted be on a
single motherboard . Instead the may be located on an expansion board or
an adapter card plugged into a slot. Some system use a passive design that
incorporates the entire system circuitry into a single motherboard. The
motherboard is essentially a complete motherboard that is degigned to plug
into a slot. The motherboard concept allows the entire system to be easily
upgraded by changing one or more cards.
A typical motherboard has several options that reflects the
hardware configuration by setting the onboard switches or jumpers. Then
setting is through the SETUP utility and stored in CMOS RAM.
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