iPads do have usb ports. You just have to buy an adapter
USB ports, unlikely. Mac OS X, no this is impossible as the iPad is not a Macintosh.
The apple iPad. Very versatile but no USB ports.
Your iPad may not charge with your Lenovo G530 because the laptop's USB ports may not provide sufficient power for charging devices. Additionally, the USB ports on laptops typically output less power than dedicated chargers. Ensure that you're using a compatible cable, and try connecting the iPad to a wall charger for optimal charging. If the issue persists, there may be a problem with the cable or the iPad's charging port.
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.
Your iPad came with a usb cord that attaches to your iPad with the big end and the other end (the one with the usb plug in) goes into your usb slot on your computer.
Onboard USB are USB ports built into the motherboard.