There may be an easier way to find out, but I have found that if you open device manager and click on the "+" next to Universal Serial Bus Controllers at the bottom of the list, it should say 2.0 Enhanced, etc. Hope that helps.
For manufacturers, the cost to implement them on a motherboard is only a couple of cents. If you want to add a USB hub to your computer, they can usually be had for under $20.
it maybe posible that we didn't want usb to pass data just we click and the data will pass from one computer to another computer
Yes, there are usb barcode readers. The prices for them range from $20 to $105. You can find them in a variety of online websites, such as Amazon or NewEgg.
Oh thats easy (you should try Kaspersky anti-virus just to be on the safe side) its definateley a computer Trojan.
You will have to purchase a USB card reader. They are very inexpensive and can be bought anyplace that sells computer accessories.
There's no possible answer to that. A computer can have any number of USB ports. As the above is true, it doesn't matter how many you use. You can use as much USB ports as you want on your computer.
While it is not as easy to find as a SD adaptor, Compack Flash Drives that connect to the computer via a USB connection are commonly available in most major electronic stores. They come in the form of a small stick, usually a bit larger than a USB thumb drive with a slot at one end to hold the Compact Flash Drive while the other end plugs into the computer, making the Compact Flash Card as easy to read as a USB thumb drive. The average adapter does not cost much, usually averaging in the $15 - $20 range.
If you will search Yahoo or Google with the term, "4 port wireless hub" you will find one.
X*.55 = 11 so 11/.55 = X X=20
I'm not sure about how much they cost at the store but if you look online at WWW.Amazon.com you can find one for about £20
For connecting a Bluetooth device, you need to have a Bluetooth dongle. A dongle can be plugged into your USB port which enables Bluetooth connectivity for your PC. You can purchase a dongle from your local computer store from $20 to $50.00
First find out what you need to multiply the denominator by to make it 100. 100/20 = 5 Then multiply both numerator and denominator by that value and convert straight to a percentage. (11/20) * (5/5) = 55/100 = 55%