What are the various mobile computing devices?
There is a range of mobile computing devices on the market including pagers, cellular phones, MP3 players, PDAs, tablet PCs, and laptop computers. • What can pagers do and who uses them? A pager allows you to receive messages on a small display screen. Two-way pagers support both receiving and sending messages. Pagers are compact and are the most inexpensive mobile computing device. People who need to be reachable but want an inexpensive are the primary market for pagers. • How do cell phone components resemble a traditional computer and how do cell phones work? Cell phones include a processor, memory, input and output devices, software, and an operating system. When you speak into a cell phone, the sound enters as a sound wave. An analog-to-digital converter converts these sound waves into digital signals. The digital data is then compressed so that it transmits more quickly to another phone. Finally, the digital data is transmitted as a radio wave through the cellular network to the
