Internal Parts of
System Unit
PSU (Power
Supply Unit) – It
converts 12V,
110V to 220V
HDD (Hard disk
drive)– a
magnetic
storage device
RAM (Random
Access
Memory)- a
volatile that holds
data only when the
power is ON
Motherboard – the
main circuit board of a
computer. It contains all
the circuits and
components that run the
computer.
CPU (central
processing unit)
the
“brain” of the computer. It
performs It performs all the
instruction and calculation
needed and manages the flow
of info through a computer.
CPU fan - one of
the coolant that
helps not the CPU
overheat
Adapters – also
called interface cards
that enable the
computer to use a
peripheral device for
upgrading to a new
different hardware.