If you have a small collection of computers around the house (and a small collection of computer users), you can connect each one of those computers to one another and share data, software, and hardware including a single Internet connection. There are many creative uses for home networking, however it's an ideal situation when upgrading each computer to the same capability is financially out of the question. As mentioned, smartphones give us the ability to not only carry our data around with us where ever we go, it also gives us the ability to edit that data any place - any time. In today's "reality" based generation, we're always looking for the opportunity to capture and relive a moment. And we want to share that moment with others. For instance, let's say that Program A is already installed on a computer and it's working just fine. Then let's say that the user of that computer downloads and installs Program B. Program B uses a file that Program A installed much earlier, but when Program B is run, errors popup. Those errors are the result of Program B attempting to use an outdated (shared) file that was installed by Program A. A firewall is software that checks all data entering and exiting a computer and it then blocks that which doesn't meet specified security criteria (user-defined rules).1 5. Don't click on website links in spam messages. In an effort to obtain personal information, some spammers will send email that asks you to click on a link. This will keep them from sharing passwords with others and inadvertently enabling hacking into your system. If you think about it, there's no reason why a five, seven, or even twelve year old needs to know the passwords to sensitive areas on the computer unless you've given them permission! In fact, children don't need to know the password used to access the Internet either. This setting allows people with disabilities to use a computer that accommodates vision and hearing problems. Keyboard and Mouse Options. The keyboard and mouse controls give users the option of speeding up or slowing down the movements of both of these peripherals. For those entering the United States from a foreign country, users will appreciate how Windows grants use of keyboard layouts native to their original language.