USB 1.0, 2.0 n now 3.0... As what I know the USB head consists of 4 wires. Can anyone explain: 1. Wat are the 4 wires and their functions? 2. most importantly, how does these wire transfer data? ( I mean like is it really it transfer in binary voltage pulse form to represent a signal?Im...

I have a massive Catalpa (sp) tree in my front yard. The trunk is about 4 feet in diameter at ground level. About 10 feet up the trunk, there is an oblong hole that's about 10" tall by 4" wide. I think squirrels are living in there. While I don't want to harm the squirrels, I don't want to lose...

I want to buy a dell inspiron 531 computer from costco. It has a TV tuner and a 56K PCI Data/Fax Modem. I know the TV tuner uses one of the two available pci slots, but does a data/fax modem use anothwer pci slot? I want to have an open pci slot so I can add a firewire port. If the data/fax uses a...

I live in central Texas. I hired a landscape contractor to install retaining walls and a patio which included 4 steps in stone. These steps range in size from 6.5" to 9.5" and the tallest is on the top! They are very dangerous. He refuses to do any fixes, and walked off project. At one point in the...

In a secure online order form, using SSL public key encrytion, how does the client's compter decide what the key is? I read someplace that old version of Netscape used the time of day, along with some other variable. Heard somewhere that the position of the mouse could be use as a variable. How...