The error 404 or Not Found message is one of many response codes as part of the HTTP standard, which indicates to the user that their computer was able to communicate with the server in question, but that the server was unable to find the requested data. When communicating through the HTTP protocol, the responsibility of a server is to respond to requests, which can come in a number of forms, with the most notable being a web browser request for a particular page. The response to these requests comes with a numeric response code and in some cases a message, though the message is not mandatory.

Over the years, computers have become increasingly more reliable, but despite that fact, our systems still do break down, from time to time. System failures, due to hardware faults, still do occur, which is why the dependability of a computer is its most important attribute. This is where the PC stress test tools come into play, as they are designed specifically for identifying faults.

The question of what is spam can be summed up as the nefarious use of electronic messaging services and systems to send unsolicited messages to unexpected mail users. These messages are usually advertisements for a particular service or product. While email spam is the most recognised form of spam.

Depending on your level of expertise and familiarity with the internet, it’s more than likely that you’ve heard of ‘cookies’. You’re understanding of them however, may be that they are malicious pieces of code that are used to spy on your every move while surfing the internet, or you might be of the more informed or positive view, and think that they are devices designed to make your surfing experience are more pleasurable one.

The Windows Genuine Advantage Validation Tool is a system that was designed and created by Microsoft in order to implement online validation of their most recent operating systems. In one of the more recent operating systems, Windows 7, the Windows Genuine Advantage (WGA) Validation Tool is renamed to Activation Technologies.

File compression involves encoding data using fewer bits than the original file. There are currently two different types of compression, they are lossless and lossy. Lossless compression uses a method which entails identifying and removing redundant bits, while maintaining the full integrity of the original file. Lossy compression on the other hand reduces the size of a file by identifying data that it deems unnecessary.

A file extension is basically a method of letting both the computer system and end user know which program(s) created and/or open a file. All files created on your computer system have their own characteristics which is indicative of the application that was used to create it. If you use the wrong application to open a file, you will be halted, but in some instances it may crash the program.

There are currently hundreds of millions of people that log onto the internet each day. These individuals may access the internet purely for research purpose, or possibly for paying their bills, the reasons why people get online are almost limitless. However, despite this reality, most of these users are completely oblivious to the potential risks once online.