A rugged handheld computer can be used for several things. One is an alarm clock that can be by your bedside, another is an e-reader for all your PDF books as well as an handheld game console for touchscreen games.
A PDA is like a small handheld computer in which it would not be meant for rough use.
Psion is a maker of handheld computer devices for business that are rugged and durable. The devices are used in places like the baggage area of the airport and in stores to do inventory and ordering.
Handheld GPS systems are ideal for hikers and other outdoor enthusiasts. Handheld units are designed to be durable when subjected to rugged, harsh and vigerous conditions.
You can connect to the computer with a handheld computer by simply buying a wireless broadband connection and connecting it to the Internet.
the adverage price of a handheld computer would be between $200-50c
You can try asking at your local electronics store to see if they carry the brand and what their experiences are. Checking online might provide some direct customer reports.
For a General Answer, Pocket PC. A handheld computer and is usually touchscreen. For a more specific answer, the OQO and the OQO2 are quite popular handheld computers.
mouse
Tablets and smartphones can both be considered as handheld computers, as they offer the functionality to perform the tasks that one would expect from a handheld computer. Furthermore, users are able to install software on them to perform computing tasks as required.
At present, it is the iPod touch and/or iPhone.
A personal computer
PDA (Personal Digital Assistant) made by * Palm, Inc * Treo