Comparison: Free Rippers

Comparison: Free Rippers

When the hard disk of a computer saves a new file, it is in fragments. These are not necessarily the size of the file, so normally a file is divided into several different parts scattered around the hard drive.

Inevitably, over time the fragments of files end up occupying all of our positions away from each other, so that Windows will cost more time to access the pieces of a file. As a result, the system slows down.

The solution to this problem is defragmentation programs that reorganize the mess, staying in the same place for the same file. Windows comes with a default, but there are more with different functions.

Here we review the most popular free defragmenters.

Speed

One of the reasons that can lead us to opt for an alternative to the Windows defragmenter is that it is faster.

In tests, UltraDefrag, Auslogics Disk Defrag and UltimateDefrag have proven to be the fastest, up to double the Windows Defragmenter. For its part, Defraggler and JKDefrag takes the same time perform the same task.

Working with multiple schedule defragmenting disks and

Today, with the number of files we use, we often have more than one hard drive or more than one partition on your computer. Thus, defragment one by one is a bit uncomfortable.

The same goes for manual defragmentation. It's much better if the Program itself is responsible for conducting work on a specific day and time.

Of the five defragmenters analyzed, only Auslogics Disk Defrag and Disk Defragmenter to select several at once. Regarding the defragmentation program, and UltraDefrag JKDefrag are the ones who do not include this feature.

Defragmenting individual files

Not all files are fragmented, thus making the entire disk defragmentation may be unnecessary. Auslogics Disk Defrag, and UltimateDefrag UltraDefrag to select a folder or individual file to defragment, rather than performing the operation with the entire unit.

Full optimizing

A part of a standard defragmentation, disk optimization take longer fragmented, servicing further or eliminate unnecessary or temporary files are options to consider opting for a defragmenter.

Thus, we will use it less because the disc takes longer to fragment again.

Conclusions

Despite being free, the five analyzed defragmenters have demonstrated over the Windows file Defragmenter.

Although not all are in Spanish, its interface is fairly intuitive, some can be used from a USB drive, and offer features that make them worthy alternatives.

For less demanding users and that is simple, and Auslogics Disk Defrag Defraggler defragmentation are indicated.

For its part, offers quality JKDefrag but sacrificing ease of use and personalization.

Finally, UltimateDefrag UltraDefrag and defragmentation are shown as for advanced users who seek to fully customize the maintenance task to achieve peak performance.

Via: Comparison: Free Rippers

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Nvidia White Paper on dual-core ARM processor Tegra 2 before

Nvidia White Paper on dual-core ARM processor Tegra 2 before

Nvidia has a White Paper (PDF) presented to its Tegra-2 processor family. These are dual-core CPUs based on the ARM Cortex-A9 architecture. The new CPUs are already in Toshiba's Android netbook AC100 used. In future, smartphones series Optimus by LG with the new processor equipped be.

In the course of 2011 will go the trend in high-end smartphones clearly dual-core ARM CPUs. This resulted from the simple fact that an increase in Taktfreuquenz, which is technically not a problem leads to a disproportionate increase in electricity consumption. The power consumption is proportional to the square of the voltage and clock frequency. Since a higher clock frequency at the same time also requires a higher voltage, are multi-core architectures with a moderate clock frequencies, the better alternative in the mobile space.

Current high-end smartphones are equipped with clock frequencies to 1 GHz. One could, however, identify performance problems when multitasking. There are clear that if you can see on a web page Flash animations. Android smartphones but would offer Flash support, however, the response times would take too much. A dual-core architecture can use a core for the Flash animation, while the second make sure that your phone still performant react to user input. With a dual-core CPU generally attributed the need for multitasking operating system vendors restrict or prohibit.

Even seemingly static web pages to load can be significantly improved. In the Web 2.0 era, there is less and less easily linked websites. Links were often composed on the fly using some complex JavaScript functions. If more than one of these links are on a website could provide a multi-core architecture for a speed advantage.

The Moonbat benchmark, which measures the performance of multithreaded javascript, have a Tegra-2 processor, the 2.5-times the speed of Nexus One and Samsung Galaxy S achieved. The tests were carried out under Android 2.2 with Firefox. Firefox Mobile is currently in beta phase.

The Tegra 2 can meet current smartphones Moonbat benchmark. Suspicious, the fact that Nvidia has used a beta of Firefox mobile and not the default browser on Android WebKit-based.

For a further performance boost worry the Cortex-A9 architecture. In contrast to previous Cortex-A8, the new CPUs support speculative Out-of-order execution. Each core is equipped with 32 KB L1 data and instruction cache. In addition, there is a common 1 Mbyte L2 cache, the coherence of a snoop control unit is ensured.

Special emphasis is laid on the capabilities of the integrated Nvidia GPU. The 3D performance is compared with the Tegra 1 models by up to five times higher. We thus reach a level that was suitable for games consoles. In addition, the architecture between the mobile GPU and Nvidia solutions for notebooks and desktops are very similar, so that existing games could be easily ported from PCs to mobile devices.

So far, Nvidia has had in marketing its Tegra processors for smartphones little success. Many manufacturers preferred other ARM CPUs, especially the Snapdragon processors Qualcomm. Qualcomm Dual-core CPUs based on the Cortex-A9 architecture for next year announced. First test samples to be shipped earlier this year. They are manufactured in a structure width of 28 nanometers and support in addition to Bluetooth, WLAN, GPS, GSM and UMTS support the emerging wireless standard LTE. The clock frequency is 1.2 GHz.

Nvidia Tegra can produce its current 2-CPUs in 40-nanometer technology. For future models of the white paper makes no reference to clock frequencies, linewidths and supported wireless technologies. A structure width of 28 nanometers can reduce the power consumption compared to 40 nanometers at the same clock speed by about 65 percent.

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Final specification of PCI Express 3.0 is ready

Final specification of PCI Express 3.0 is ready

Support for development of PCI Express competent PCI Special Interest Group (PCI-SIG) Has the final Specification 3.0 extension of the standard for connecting peripheral devices to the CPU chipset releases. The latest version offers a higher bandwidth and provides new functions for the most common I / OBus.

PCIe 3.0 increases frequency to 8 GHz, but remains compatible with earlier specifications PCIe 1.x and 2.x to 2.5 GHz 5 GHz, respectively. Due to the higher clock reaches PCIe 3.0 net bandwidth of almost 1 GByte / s in one direction on a single track (x1). At a transmission over 32 conductors (x32) the transfer rate increases by analogy, to up to 32 GB / s.

The previous 8B/10B encoding is a 128B/130B-Kodierung replaced. This will significantly increase the efficiency, the bottom line is what allows a doubling of the bandwidth without doubling the clock frequency.

Other enhancements include additional mechanisms for dynamic adjustment of power consumption, improved Tolerance Reporting Latency (PDF) and an optimized error correction. Hardware manufacturers now have access to the "PCI Express Base 3.0 Specification and can integrate the technology into their products.

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Brits want to realize Babbage steam-powered machine for the first time

Brits want to realize Babbage steam-powered machine for the first time

The collected in Great Britain a Campaign Sponsorship money to the "Analytical Engine"By Charles Babbage to construct a precursor of modern computers. Started the project of the bloggers and programmers John Graham-Cumming, Who is also author of the book "The Geek Atlas"Known. So far he has found supporters in 1600.

Babbage was on 18 Died in October 1871. The English mathematician and inventor developed the first programmable on paper, not electronic but mechanical computer. This steam-powered "Analytical Engine was never realized. Now they should first be established on the basis of Babbage's original plans operational.

The finished unit will be about the size of a truck, 30 feet long and 10 meters wide. The input is done via punch cards. "This is an inspiring device," Graham-Cumming justify his efforts. "A hundred years before it was ever computer, Babbage designed this machine."

Babbage's notebooks are in London Science Museum. An available on Youtube Video summarizes life and work are almost together.

A non-functional reconstruction of the "Analytical Engine" is in the London Science Museum.

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Samsung announces Bada-Wave II Smartphone

Samsung announces Bada-Wave II Smartphone

The Wave II comes in November for 429 in the trade.

Samsung has smartphone portfolio with the Wave II (S8530) expands his. It comes with the company's own mobile operating system Bada 1.2, a 1-GHz processor and a 3.7-inch Super Clear LCD with 800 by 480 pixels resolution. This touch screen is the diagonal of the well an inch larger than the previous wave S8500 , which is a 3.3-inch AMOLED display has.

This quad-band phone measures 12.4 by 6 by 1.2 inches and weighs 135 grams at data transmission method, it supports GPRS and EDGE and UMTS with HSDPA, the transmission rates of up to 3.6 Mbps downstream. The 2 GB of internal memory can be expanded using micro SD card up to 32 GB.

In addition to a 5-megapixel camera with LED photo light, face detection, continuous shooting and HD video function, the Wave II GPS, Media Player (MPEG4, H.263, H.264, WMV, DivX, XviD, Audio: MP3, AAC, AAC +, WMA), FM tuner, DLNA support and 3.5-millimeter jack for standard headphones. Of interfaces for WLAN IEEE 802.11g, Bluetooth 3.0 with stereo audio streaming ( A2DP and USB 2.0 available). The lithium-ion battery provides 1500 mAh.

As TouchWiz user interface is 3.0, in which users can customize the home screen and menus. Furthermore, the new smartphone Bada a social hub, the e-mail, instant messaging and social networks are integrated and combined. More than 1,000 additional applications can be downloaded from Samsung's App Store.

The pre-installed application trace T9 text input to facilitate the means of the virtual keyboard. Similar Swype , the finger may be performed without lifting to point, point of.

The Samsung Wave II will be available in November in Germany. The suggested retail price is 429 without contract.

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Israeli scientists enwickeln detectives chip

Israeli scientists enwickeln detectives chip

Researchers at the University of Tel Aviv in Israel have developed a chip that is able to, explosives such as trinitrotoluene TNT) trace (. According to scientists, the sensor chips are sniffer dogs and all other known methods for detecting explosives far superior to.

This "nano-detectives" remarkable TNT concentrations of one part per million ( 1 ppm ). They should not only help to thwart terrorist attacks, but also show contamination - such as former military sites.

The sensor is based on the principle of a nano- field effect transistor (nano-FET). Unlike a classic as a transistor it is connected by an electric field. Inside nanowires are made of silicon. This coat them with special silicon compounds, the amino groups on their part.

To these amino groups bind TNT molecules. Electrons move from the electron-rich amino groups on the electron-deficient TNT, resulting in the charge distribution changes abruptly at the surface of the nanowires and Daduchus their conductivity. This change can be easily measured, according to scientists.

Liquid and gaseous samples can be analyzed this way. Currently, the sensor is only able to detect TNT. Researchers around the chemist Fernando Patolsky working on a chip with large nano-sensor arrays to track the various explosives in parallel.

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Lenovo ThinkPad T60 Laptop Review, @ Lenovo-batteries.com Blog

Lenovo ThinkPad T60 Laptop Review, @ Lenovo-batteries.com Blog

ThinkPad T Series has long been the preferred choice for business people has been, and Lenovo ThinkPad T60 supports the call for users who want a thin and light notebook. It remains the best of the recent T-series (like the keyboard without the weight and legendary durability) and adds advanced features such as dual-core performance, enhanced security and broadband wireless broadband.

The ThinkPad T series is considered by most to be the flagship of the laptop. enhance the quality of keyboard legend, legendary, and high-end specifications to provide an incredible machine. The new ThinkPad T60 will not disappoint in those categories. A new roll cage design strengthens the T60, an updated keyboard, EVDO wireless technology and Intel Core Duo are the backbone of this high-end machine.

Lenovo T60 Features:

Model: 2623-D3U

Processor: Intel Core Duo T2500 2.0 GHz

Chipset: Intel Calistoga i945GM/PM

Hard Drive: 100GB SATA 5400 (Hitachi Travelstar HTS541010G9SA00)

Memory / RAM: 1 GB (1024 MB) (configurable up to 4GB)

Display: 15.0 "SXGA 1400 x 1050 (LG Philips LP150E05 - A2)

Graphics: ATI X1400 128MB

Optical Drive: DVD Writer Multi-recordable

Battery: 9 cells (long life beyond the back of the laptop)

Wireless: Intel PRO / Wireless 3945ABG (802.11 a / b / g), Bluetooth 2.0, Infrared

User Input: Touchpad, stem, UltraNav buttons, Fingerpring scanner

Warranty: 3 years parts and labor, 1 year battery

Weight:

Setting 14.1 "12.2" x 10.0 "x 1.0 to 1.2" (width x depth x thickness)

Display settings 15 "13" x 10.6 "x 1.2 to 1.4" (width x depth x thickness)

Weight: 6.4 lbs (14 "T60 is about 5.2 kg with 6 cell battery and optical drive)

Ports:

3 USB 2.0

Docking Station / Port Replicator

See-

Power Connector

RJ-11 (modem)

LAN RJ-45 Ethernet ()

Headphones Audio line / speakerphone

Microphone

Slots:

1 PC Card slot Type II

A slot Express Card 54

Buttons:

On / Off

Volume Up / Down / Mute (3 buttons)

Wireless on / off

ThinkVantage shortcut button (shortcut to system support, security and diagnostics suite)

Battery lock and release

Advantages

• Superior quality construction


• Single software package


• Option decent GPU


• Excellent screen SXGA


• Great battery life


• plethora of function keys


• modular drive bay


• Card Express


• Fingerprint Reader

Robust and well designed case strong security features full range of network connections, including WWAN and Bluetooth within the Bay of interchangeable solid warranty and support known.

Disadvantages

• Bit on the side of the strongest


• Expensive

Starting price is higher than other comparable systems, the lack of a number of ports that are not essential but fairly standard, and links.

Battery

The 9 cell lenovo thinkpad t60 battery. Add a little weight on the standard 6-cell and takes, but if you need to live for approximately four hours of battery life with the Model 15 "screen size. With the T60, without Wi-Fi and the average brightness (third notch 7) drop what I 3 hours and 42 minutes of battery life with light (for writing, or stop). You can expect to find more than three hours with Wi -Fi and finishing a DVD with a 9-cell battery should not be a problem as well, except for The Lord of the Rings.

The screen size T60 14 "is much better compared with the period of battery life per cell because a smaller screen just drains less battery. I think the 6-cell battery for T60 14 "you get what the 9 - to 15 battery" - again, just an uneducated guess.

 

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