Is there a limit on the amount of power my USB ports can handle?

How can I check to see if mine are being used appropriately?
The general amount of power that most USB ports can handle is 500mA (milliamps). It is a good idea to check the status of your ports every once in awhile to make sure that you’re not over exceeding the power that they can endure.
If [...]

How Fast is a Cell Phone Modem?

All we are familiar with Internet and Mobile phone but  the question arises here that how fast is a Cell Phone Modem !
If connected to your computer properly, digital (PCS) cell phones can function as a computer modem. (Analog cell phones sometimes can, too, with the right network adapter added.) Using your cell phone as [...]