A port is an I/O connector/device that allows you to interface with something outside of the computer. The most common ports are COM (Communication), Printer, USB (Universal Serial Bus), Video, Mouse, Keyboard, and Ethernet ports. A slot is where you plug in a controller. Often, the controller provides one or more ports that you can use.
you don't have to look for a connection with the ports
the color
Parts are pieces of something. Ports are openings or entrances.
The motherboard.
agp slots
Peripheral ports such as COM, USB and serial ports, are input/output interfaces that allow devices to connect to a computer. Expansion slots are sockets on the motherboard where an expansion card is inserted.
USB connection ports
RAM slots are color-coded so that you can know the difference between the first bank and the second bank.
If you are talking about the slots in the computer that you plug an external hard drive into, they are called USB ports.
Memory is microchip; address are processor board slots
You can use USB adapters. But USB does not cover as many interfaces as expension slots.
A docking station has fewer ports.