Most motherboards come with at least six USB ports..
Onboard USB are USB ports built into the motherboard.
One way to add USB ports to a computer you need a USB expansion card that you add to the motherboard. The card usually has multiple USB ports built into them.
You will need to purchase and install an adapter and attach it the the USB connector located on the motherboard.
You can use USB adapters. But USB does not cover as many interfaces as expension slots.
do you mean "motherboard I/O ports"? Eg. USB, PS/2, Serial, Parallel...
If they are all individually powered, but if they are on a splitter or hub that with no booster, then they will be fractionary.
Often nothing, but it CAN destroy the USB controller on the motherboard, rendering all your USB ports useless.
This Panasonic Toughbook has 3 USB ports.
See what COM defines is the communication ports and hence COM 1 is one of the USB port or might be some COM ports you have on your motherboard back. You can refer to the map of your motherboard to know which is the. port for COM 1.
There is no minimum or required number for USB ports on a laptop. Depending on the age and design of the laptop, it could be anywhere from zero to ten. I have seen only 2 USB ports on older laptops, most of the new ones atleast have 4 USB ports. Netbooks(10" & 11") have not more than 2 USB ports. If in anycase you need more USB ports, you could buy an USB hub for as less as 10$, which will add 4 more ports to your laptop.
The Atom N270 laptop has three USB 2.0 ports.
The input ports of a motherboard typically include USB ports, audio jacks, HDMI or DisplayPort for video output, and Ethernet ports for network connectivity. Additionally, some motherboards feature legacy ports like PS/2 for keyboards and mice, as well as connectors for various internal components such as hard drives and optical drives. These ports facilitate communication between the motherboard and peripheral devices.