This document discusses mobile computing and computer networks. It compares wired and mobile networks, describing differences in bandwidth, resources, and connectivity. It then outlines various types of wireless networks and devices like laptops, PDAs, and cell phones. Examples of mobile computing applications are given for fields like real estate, law, and transportation. Challenges of mobile computing are addressed as well as the future potential of increased processing power and integrated circuits to improve the technology. References are provided on related research papers and websites exploring topics in mobile object databases, mobile computing issues and solutions.