Chips Makers Target Everything But Kitchen Sink LAS VEGAS—Chip makers, already competing to get their products into computers and cellphones, are preparing for a wider battle as more devices connect to the Internet. The stakes were underscored Wednesday by chip giant Qualcomm Inc., which confirmed it will spend $3.1 billion to buy Atheros Communications Inc., a fast-growing Silicon Valley company that specializing in making chips used in wireless devices. Qualcomm's move comes as many companies at the giant Consumer Electronics Show here discussed plans to add processing power, networking and wireless Internet connections to devices including TVs, DVD players, TV...