There are a number of PDA devices on the market today. An important difference between them is the operating system (OS). Three OSs struggle for dominance:
Windows CE, Microsoft's first purpose-built embedded OS, was released in 1996. The original CE supported monochrome devices. Support for color was introduced in CE 2.0, and support for RISC-based (Reduced Instruction Set Computer) processors was added in version 2.1. Although 40 manufactures were originally on board, the first CE devices were not well received by consumers. The main complaints were the limitations of the OS and a limited battery life, due to software that was too demanding for the environment. Another, more fundamental ...