http://computer.howstuffworks.com/question352.htm computer.howstuffworks.com computers http://computer.howstuffworks.com/question352.htm http://computer.howstuffworks.com/question352.htm http://computer.howstuffworks.com/question352.htm What are the bumps at the end of computer cables http://computer.howstuffworks.com/question352.htm http://computer.howstuffworks.com/question352.htm What are the bumps at the end of computer cables? What are the bumps at the end of computer cables? http://computer.hows...question352.htm http://computer.howstuffworks.com/question352.htm