So What's The Lightest Notebook Computer Anyway

I went finding for the lightest notebook computer the other day and after a consolidate hours of searching I was getting pretty frustrated. "Ultalight notebook computer", "light weight notebook computer" - I kept trying distinct approaches.

What I found was a lot of old machines - 1, 2, even 3 years old. And a ton of spam websites that took my hunt keys and created a dynamic page. That left going to the manufacturers and finding at actual stock specs to see who literally has the lightest notebook computer. Fortunately I ultimately found a list to start from so here they are - the light weights.

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The Fujitsu LifeBook Q2010 weighs in at 2.2 pounds with a 12.1 inch screen. Unfortunately it has a 1.2Ghz processor and a 30 Gb hard drive though it comes with Xp Pro and a Dvd writer.

The Dell Latitude D420 also has a 12.1 inch screen and is significantly less expensive but again 1.2 Ghz and a slow (4200rpm) 30 Gb Hd and it weighs around 3 pounds. It also comes with 512Mb of Ddr2-533 Sdram on an integrated Dimm. The upgrade to 1Gb or to 1.5Gb is reasonable, but the 2Gb configuration costs an extra 00 (probably because it requires a 1.5Gb Dimm).

The Sony Vaio Vgntx750Pb weighs 2.76 pounds. It has a smaller screen (11.1 inches) than some of the others, a 1.2 Ghz processor, but it includes an 80Gb hard drive and a Dvd+-Rw dual layer combo Drive. The memory is upgradeable to 1.5 Gb.

The Lenovo ThinkPad X60 at 3.3 pounds has a 1.66Ghz Core Duo, a 12.1 inch screen and a 60 Gb hard drive. The memory is theoretically upgradeable to 4Gb, but it has no visual drive. You need to get a ThinkPad X6 Ultrabase to add a Cd or Dvd drive. That kind of hampers its mobile uses.

The Averatec Av2260, weighing in at 4 pounds, comes with a 1.8 Ghz Amd Turion 64 Mobile, a 12.1 inch screen, 1Gb installed Ddr-Sdram, an 80Gb hard drive and a Dvd+-Rw Dual Layer combination Drive. So it's a minute like an overweight Sony on steroids. It's also the least expensive of the six lightweights. The others run from around 00 to over 00 depending on the distributor and configuration.

Though slightly heavier at 4.4 pounds, the Hp Compaq nc6400 is unusual in having a 14.1 inch Wide Xga screen. It comes with a 1.83 Ghz Intel Core Duo Processor, 1Gb of Ddr2 Sdram, a 60Gb hard drive and a Dvd/Cdrw Drive. The bottom price I saw in a quick search, was 59.99. Most of the models I saw were being advertised with 80Gb drives and Dvd+-Rw/Dvd-Ram visual drives, rather than the 60Gb and Dvd/Cdrw drives.

Obviously the lightest notebook computer in this list is the Fujitsu. If you literally want an ultralight notebook computer then you will have to accept some sacrifices. Personally, I think I'd rather have a more capable machine. I also don't like the small screen sizes on the very light notebooks.

As with any computer buy it's necessary that you carefully analyze just what you're going to do with a machine. Lightweight notebooks are nice simply because they're less hassle to lug around, but there compromises complicated that may make extra weight a less necessary issues. Aside from tending to be more expensive, a light weight notebook computer will roughly always have a smaller screen and a more covenant keyboard than heavier notebooks. The real quiz, you need to ask yourself isn't "What's the lightest notebook computer?" it's "What's the lightest notebook computer that meets my requirements?"

So What's The Lightest Notebook Computer Anyway

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Mpeg4, H.264, Mjpeg Compression For Dvr Recording - What's the Difference?

Digital recording devices are becoming popular in the digital world and are increasingly becoming accessible to the home consumer. Some digital recording features can already be found in digital cameras while the more developed recording features are important in Hd digital camcorders. However, higher qualities and lengths of digital videos mean greater file sizes and when it comes to sharing videos online, therefore file sizes should be reduced to avoid long delays in sending and receiving the entire clip.

Video compression has come a long way, but the main objective still strives to have the smallest file size inherent while still preserving good video and audio quality. Mpeg4, H.264, and Mjpeg are three Dvr Codecs that aim to compress the videos for transferring purposes. Each of these formats have their own strengths and weaknesses.

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First came Mpeg-1 followed by Mpeg-2 and now Mpeg-4 comes into the picture. Mpeg-4 is a heavy upgrade to the Mpeg-2 format that focuses more on compression. It is a appropriate that can effectively compress both audio and optic data for streaming purposes or to fit lengthy data on optic media.

Because it incorporates the existing technologies of Mpeg-1 and Mpeg-2, Mpeg-4 is also good for video conversations and television broadcasts. It can shrink even the largest video files into small pieces for faster transfers through the internet or over a wireless network. Other data may be incorporated to the Mpeg-4 as well like images or video. Mpeg-4 also sports some interactive elements as long as they have the supported player to allow some layers of the video to be manipulated.

 
H.264 otherwise known as Mpeg-4 Part 10 or Avc (Advanced Video Coding) takes the Mpeg-4 format to someone else level and is advantageous over the older formats as it contains inter-picture prediction features allowing up to 32 picture references. It focuses on lossless methods and aims for flexibility on a variety of different systems. Their lossless methods can also sacrifice their file sizes even supplementary than Mpeg-4 formats production them ideal for Hd video. Still many mobile devices use the more popular Mpeg-4 format.

Mjpeg is someone else format that may not be familiar by everyone. Mjpeg basically comes from the Jpeg format, which is extremely standardized for compressing images. The Mjpeg follows that same process and adds other stuff in streaming each image or frame together. The end follow leads to lower Cpu usages compared to the other formats, but higher file sizes important to increased bandwidth needed for streaming.

 
Your choice of Dvr compression depends on the specifications of your law and your intended use of distribution. This is why there is currently no format that rules over all. If you plan to distribute video clips for slower computers, Mjpeg could be the choice. For good compatibility with mobile devices and appropriate computers, Mpeg-4 could be a safe choice. If quality must be preserved while holding the file size small (preferably on high definition videos), H.264 is the best choice. You can even try compressing the video in all 3 formats, assess them all, and see what looks best for you.

Mpeg4, H.264, Mjpeg Compression For Dvr Recording - What's the Difference?

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