System Unit - Part 1

Expansion Slots:
-An opening, or socket, on the motherboard that can hold an adapter card
-With Plug and Play, the computer automatically configures cards and other devices as you install them

Ports:

-A socket on the outside of the system unit that is connected to an expansion board on the inside of the sy

stem unit.
-Connect peripheral device through a cable to the computer system
-Consist of 2 types:-

>>serial port:

#Transmits one bit of data at a time
#Connects slow-speed devices, such as mouse, keyboard, modem

>>parallel port:
#Connects devices that can transfer more than one bit at a time, such as a printer