The Benefits of the Wireless-N Router

The wireless N router provides many benefits of the previous G technology. I am pleased with some of the features that the manufacturers are adding to their offerings. In this article, I will highlight the following features: USB 2.0 ports, file-and-print server capability, and the 5-Ghz spectrum.

A great addition for the wireless-N router is the USB 2.0 port. This port allows you to do some creative things with your router and network that you have not previously been able to do. For one, you can now simply plug your printer into the router and give it wireless capability. The benefit gets stronger when you go out and try to find a color inkjet printer less than a hundred bucks that has built-in wireless or even a network port. Additionally, most network-capable printers today are wireless b/g printers only.

The file-and-print server is a welcomed addition to wireless-N router. As discussed above, you can now plug a color inkjet printer that costs under $200 into the USB 2.0 port and give it wireless capability. The file-and-print server functionality goes farther than that though. Now you can also attach a USB hard drive to the router to create a file server as well. As the term file-and-print server denotes.

Lastly, the 5-Ghz spectrum puts you in a relatively un-crowded space so that you can get better performance out of your wireless connections. The more devices in your home or office on the same wireless frequency, the more likely you are to have a degradation in performance or flat out dropped connections due to interference.

In conclusion, the wireless N routers are bringing to the wireless technology landscape some nice new enhancements that make our networked lifestyle more flexible.

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Standalone CD-ROM Copiers

The operational details of stand-alone CD-ROM copiers are similar to those of automatic CD copiers. The only difference between the two is the difference between the CD and the CD-ROM.

CD-ROM means CD-Read only Memory (ROM). No additional data can be written on these CDs once they are recorded. The recording of CD-ROMs is done by the vendor and is known as stamping. However, the data from these CDs can be written on other blank CDs using a CD-ROM copier, provided the necessary software is available.

CD-ROM copiers work on the technology called "pits and hills." CD-ROMs are coated with an organic layer of dye. When the CD-ROMs are written, the data is encoded on them by burning specific parts of the organic dye coating. These parts are called pits and the remaining parts are called hills. While burning, a laser head reads the pits and hills and then burns the corresponding regions on the blank CDs. This results in the same data getting transferred onto the blank CDs.

The CD-ROM drives are rated with a speed factor relative to music CDs: 1x or 1-speed provides a data transfer rate of 150 kilobytes per second in the most common data format. For example, an 8x CD-ROM data transfer rate would be 1.2 megabytes per second.

CD-ROM copiers may be attached to a computer or they may be stand-alone. Stand-alone CD-ROMs have a hard disc of their own. These CD-ROM copiers are designed in a tower format. Stand-alone CD-ROM copiers may allow several CDs to be burned at once and may contain as many as 2 to 16 unitary drives and can have speeds as high as 52X.

So, if the requirement is to copy a master CD into several CD-ROMs, a high-end stand-alone CD-ROM copier may be the best solution.

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