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[description], Story, any other text you want to use. Selecting a Personal Digital Assistant by: Deryck Richards
A Computer in Your Hand Carrying around an address book and planner is becoming a thing of the past. With new PDA developments, you can manage your contacts and schedule, use e-mail, and even listen to music. Personal Digital Assistants, originally called "Palm Pilots," previously were used just for retrieving basic information. Today, using some of the more advanced models could possibly replace the need to carry a laptop computer. Modern PDAs can play music, games, videos, write documents, and connect to networks and databases -- nothing short of a desktop computer. Although newer PDAs have the processing power of a computer, they still have some limitations. Inputting information is done by handwriting recognition or by a miniature keyboard. Skilled users can input 20 - 30 words per minute, less than half the speed of a good typist on a full-size keyboard. PDAs with a color screen tend to run through battery life faster. Finally, because the small screen size the number of prograqm options that can be displayed, the programs available aren't as advanced because the user doesn't have as much control over the program. Despite these limitations, the market for PDAs is continuing to expand. Students, doctors, and business professionals are increasingly relying on PDAs for computing on the go. Common PDA applications include spreadsheet, word processing, database, financial management, and games. PDAs synchronize files with your computer so that you can take your important information with you and update it when needed. What to Look For The two basic types of PDAs are Palm and Windows Mobile devices. The Palm Pilot was the first PDA available and its operation is very intuitive; some compared it to the Macintosh. Windows Mobile devices run an operating system very similar to Windows on desktop computers. Although Windows Mobile offers advanced features, its interface is still somewhat difficult to navigate in comparison to the Palm. When purchasing a PDA, make sure that the programs on the PDA are compatible with the programs on your computer. Test out different models, with keyboard and with handwriting recognition, to see which one fits your preferences best. Also consider which application you will be using most. If you plan on using your PDA primarily for e-mail, get a PDA with a good keyboard and good battery life. If you plan on taking digital photos, your main concern should be the quality of the digital camera and the screen.
directtv
Netscape Corporation has created the best known secure server technologies. It uses a security protocol called Secure Sockets Layer (SSL) that provides data encryption, server authentication, message integrity and optional client authentication for a TCP/IP connection. When a client seeking to purchase directtv connects with a secure server, they exchange a *handshake* which initiates a secure session. With this protocol, the same server system can run both secure and unsecured web servers simultaneously. This means an directtv organization or company can provide some information to all users using no security, and other information that is secured. For example, a business that sells directtv online can have its storefront (merchandise catalog) unsecured, but ordering and payment forms can be secure. Why are these developments important? As the Internet becomes a way to buy and sell directtv products and services, financial transactions become essential. Right now, most directtv transactions involve the exchange of credit card information, either directly over the network, or by phone, to complete a transaction initiated online. Eventually, you will be able to use cash as well as credit, directly over the network. There are two basic kinds of digital cash, anonymous cash and identified cash. Anonymous cash is just like paying for directtv with paper cash but it also carries no information about the person making the transaction, and leaves no transaction trail. You create it by using numbered bank accounts and blind signatures. Identified cash, on the other hand, contains information revealing the identity of the person who withdrew it from the bank. Like credit card transactions, identified cash can be tracked as it moves through the system and involves fully identified accounts and non-blind signatures. Whether you use digital cash when purchasing directtv is entirely up to you. We suggest you employ the purchasing avenues available from the directtv supplier we recommend.
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