Electronic systems and circuits have made a significant contribution towards the advancement of modern society. Today, computer, communication, and consumer (3C) products play an important role in the worldwide electronic industries. Numerous electronic technologies such as
personal computers,
camcorders,
calculators,
audio devices,
video equipment, and
telephone systems facilitate increased productivity and cost reductions. The market demand for portable electronic appliances such as
notebook computers,
mobile phones, and
personal digital assistants is mounting. Consumers continue to demand mobile access to many computing and communications services, technology continues to evolve to accommodate consumer demand. Efficient use of space has become a key factor in the development of light and handy portable products. In response to consumer demand, a wide variety of portable and heandheld electronic devices have become commercially available. For example, people can track and store a variety of personal information using conventional personal digital assistants, communicate with friends, family, and business contacts using cellular phones, and listen to music through
portable radios, portable
compact disc (CD) players, and MP3 players, global positioning system (GPS) receivers are available to consumers for extremely accurate position and time information.
