Personal firewall is a technology that helps(66)intruders from accessing data on your PC via the Internet or another network, by keeping(67)data from entering or exiting your system.

 Hackers do not just target national security organizations for(68): They want your tax returns, network passwords, or bank account numbers. And you do not want the FBI kicking in your door because someone hijacked your PC to(69)in the latest denial-of-service attack on the Internet. Now that "always-on" broadband connections such as cable modems and digital subscriber line are becoming more popular, home users are at risk. Fortunately, you can protect your data. Firewalls can block(70)attacks and protect your PC from outside threats.

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When we announced Java 2 Micro Edition(J2ME)a few years ago, we believed that Java had an important role to play in hand held devices. Some were(71)that Java would be small enough for such limited devices.

 But no(72), Java for the small device is a success. J2ME has emerged strongly in the wireless market. Java's portability and extensibility have brought about rapid(73)in this market.

 The success of Java beyond desktop computers is significant(74)developers. Java literacy is now more important than ever, as Java is used more and more to(75)a whole range of new computing devices--not only wireless handsets but also personal digital assistants, cameras, automobiles, home control, and so on.

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