Yeah
yes, A usb cable is the same as any other usb cable and will fit in any usb computer ports such as windows and linux.All usb ports are also the same size so you can use any usb cord for anything.
No. Both COM ports and USB ports are serial interfaces, but the COM interfaces are driven by single device UARTs.
Yes: All USB ports work the same way.
iPads do have usb ports. You just have to buy an adapter
This Panasonic Toughbook has 3 USB ports.
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.
Who told you it had no USB ports? Of course it has USB ports. The iMac has 4 USB ports, 1 Firewire port, 1 Thunderbolt port (2 on the 27" iMac), 1 Ethernet port.
NoYou can open the computer up and remove the USB ports.
The Atom N270 laptop has three USB 2.0 ports.
A USB hub can be attached to any of the existing USB ports to provide additional connectors.
Well depending on what usb ports it has usb 3 ports are the best to use.
The laptop has 2 usb ports on each side. The ports are approximately 1/8" apart.