Monthly Archives: March 2011

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Microsoft 70-646 dumps

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70-646 exam is regarded as one of the most favourite Microsoft Certifications. Many IT professionals prefer to add exam 70-646 among their credentials. The certification strengthens the employment prospects and opens up myriads of opportunities for them. Certkingdom not only caters you all the information regarding the exam 70-646 but also provides you the excellent 70-646 exam dumps which makes the 70-646 certification exam easy for you.

 


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HP Slate Tablet Windows 7 PC

 

HP Slate Tablet PC gets Video ReviewedApple must be already happy to see this coming. During the Keynote from Ballmer at CES 2010, HP’s Slate PC was demoed. Not much of a surprise, the Tablet is just average.

The HP device shown up at CES did not appear to be the dual-screen tablet that’s the subject of much rumor and speculation, under the code-name Courier. Neither the HP video above nor Ballmer, however, showed the device from the back. However, as Ballmer had trouble bringing up the second Seth Meyers video from the device’s Media Center connection (due more likely to power problems affecting the router than with the PC itself), he did not try turning the unit over, which he might have done if there were a second screen on the back.

“We’re talking about something that is almost as portable as a phone and as powerful as a PC running Windows 7,” stated Ballmer, in introducing the HP “slate” along with two other models. “The emerging category of PCs really should take advantage of the touch and mobility and capabilities of Windows 7, and are perfect, perfect for reading, for surfing the Web, and for taking entertainment on the go.”

The unveiling video is way too impressive, but, only in theory.

HP’s entry in the Windows 7 “slate” product category.

But what matters most is, the device failed to wow those expecting a true competitor to the mythical Apple tablet iSlate.

As PCWorld quotes it, “The HP tablet is a basically a color e-reader running Amazon Kindle software, with few other details besides a sub-$500 price point and an estimated arrival on the market by mid-2010.”

The idea is so disappointing that Microsoft and HP’s shares fell a day after, according to BusinessWeek.

 


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Despite an attractive design, there is nothing particularly special about them. The over-hyped, yet disappointing slate computers presentation from Microsoft leaves a chance for Apple to once again win the game. That’s unless hype gets the better of them as well.

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How to Fix Windows 7 BSoD [Black Screen of Death]

Windows 7 has proven to be much more stable than it’s predecessors. Of course those BSODs (blue screen of deats) have reduced and in some cases totally vanished.

Related: Understanding and Decoding BSOD (blue screen of death) Messages

So what is exactly is the New Black Screen of death ? There are instances when you log in and the screen goes black with nothing but a minimized Explorer window. Since it apparently looks Blank and Black, this “crash” is termed a Black Screen of Death. This is usually caused by a malware infection and sometimes affects XP and Vista as well as older servers and sometimes it totally out of no reason.

 

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Luckily, Prevx has a solution in the form of a quick-fix. All you need to do is download their Black Screen Fix applet and it will clean up your system shell for you. It’s a  small download (48KB) and you can easily download it even while affected by the Black Screen by opening task manager (Ctrl+Alt+Del), clicking on “new task” and typing this command:

RUN ->

“C:\Program Files\Internet Explorer\iexplore.exe”
“https:://info.prevx.com/download.asp?GRAB=BLACKSCREENFIX”

(With the quotes)

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Upgrading Windows 1.0 to Windows 7 – 20 years of Backward Compatiblity

Not many of us have used the early versions of Windows, that existed nearly 2 decades ago.

Many of us believe that “Windows upgrade” is buggy and doesn’t work well when you upgrade from older to newer version. We have often recommended a clean install but this video is here to prove every one wrong — A Man uses VMware to emulate old hardware and install DOS to Windows 1.0 and then upgrade it to all the subsequent versions, all the way upto Windows 7. And surprisingly, it worked.

The adventurous guy didn’t include the Windows ME, a big failure. The journey  is documented as a 10 minute video examining the upgrade process a Great recall for all Windows versions.

 

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Twenty Years of Backward compatibility

Before starting systematic upgrades, The Secret of Monkey Island and Doom II were installed to test DOS functionality in each version of Windows.

The results of the experiment are pretty amazing–the games worked in every version of Windows but Vista, which had clumsy DOS support, and problematic everywhere. Twenty years of backwards compatibility? Whoa!

As far as installation times are concerned, they peaked  with Windows 98 and Vista–So we conclude, its possible to upgrade from Windows 1 to Windows 7 without much trouble.

Microsoft

70-122 Exam Resources

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Prepare for the Microsoft 70-122 exam with our 70-122 Exam Resources and, you can be rest assured that you will be fully prepared to take on your 70-122 Exam. Our Exams are written and formatted by Top senior IT Professionals working in today’s prospering companies and data centers. All of our practice exams including the 70-122 exam will prepare you for success. 70-122 is a challenging exam, with our 70-122 study guide, you can feel safe with our question and answers that will help you in obtaining your successful completion of your 70-122 exam.

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The entire material is logically composed in such a way that everything becomes easy to understand for anyone. full download Many Microsoft 70-122 guides include audio and video material. It is really easy to acquire Microsoft 70-122 exams because of great variety of methods of payment.

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HowTo Create SymLink in Windows

Symlinks let you define soft/hard links to files/directories placed in different locations. Essentially, they are like windows  shortcuts (a.k.a. soft symlinks) and the other type is something in-between the two: shortcuts and Original Files/directories. You can use HardLinks as an original file/folder, transparently.

 

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Linux/Unix has inbuilt feature of creating symlinks using “ln” command. On older Windows versions, there is no inbuilt utility that does that. However, on Windows Vista, Windows 7 you can use a command line utility called “mklink”. But not everyone likes the command line that’s why there is a GUI-based tool for this:  Symlinker.

symlink windows

There are several Use cases for employing Hard symlinks. e.g. when you are running out of diskspace on your c:\ drive and certain programs still force you to install new software in c:\ drive (most microsoft, Google products do that) you can create a directory symlink and point it to another drive, save the buck. Another reason would be to move the caches, libraries (media player, iTunes songs lib), indexes (picasa photocache, search indexes, google desktop indexes) which take a large amount of disk space on your C:\drive.

There could be n number of other reasons, and this tool always comes handy.

Download Symlinker

To use this properly, here is some background on types of SymLinks:

Soft Link
A soft link is essentially a shortcut to a file or folder –it won’t pretend its part of the filesystem. You can still directly reference or open a file with the symlinked path, and it mostly works.

Hard Link
A hard link directly points to the file, and acts to the operating system as if it is the file itself. You’ll want to use this option the majority of the time if you are trying to fake an application’s directory just like the case described earlier.

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Google launches Person Finder for Japanese quake victims

Google was quick to launch a version of its People Finder service to help people find each other in the wake of the devastating 8.9 magnitude earthquake that hit Japan Friday.

The service, set up to work in both English and Japanese, is designed to let people inquire about others, as well as post information — where they are, their condition — about themselves or someone else.

 

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[ Stay ahead of the key tech business news with InfoWorld’s Today’s Headlines: First Look newsletter. ]

While Google notes on the site that it cannot verify the accuracy of any of the information put into the Person Finder app, all of the data is available to the public.

At 10:30 a.m. ET on Friday, the new app already had 7,200 records available.

Google announced the new version of its People Finder service on Twitter early Friday morning.

Google also posted a tsunami warning on what is its generally sparse search home page. Just below the search bar, Google has written, “Tsunami Alert for New Zealand, the Philippines, Indonesia, Papua New Guinea, Hawaii, and others. Waves expected over the next few hours, caused by 8.9 earthquake in Japan.”

As for its Person Finder, this isn’t the first time that Google has quickly launched a new version of it in the wake of a tragedy.

In February of last year, Google created a Chile-centric version after a massive earthquake hit that country. And in January of 2010, Google created a Person Finder in the wake of the 7.0 magnitude earthquake that hit Haiti.

Sharon Gaudin covers the Internet and Web 2.0, emerging technologies, and desktop and laptop chips for Computerworld. Follow Sharon on Twitter at @sgaudin or subscribe to Sharon’s RSS feed. Her email address is sgaudin@computerworld.com.

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The reports of Windows death are greatly exaggerated

Dear Skeptical,

I think what you’re reading is mostly based on sales figures for all end-user devices and relative numbers of page reads by different browsers and operating systems. If IT’s responsibilities were based on the number of end-user devices sold and on browser page reads, this would be interesting information.

IT’s responsibilities, though, have a lot more to do with applications business users rely on to get work done. When you look in this direction, you get a very different bead on things.

So let’s examine the intersection of where IT lives and Microsoft plays, and we’ll see where that takes us. Ultimately, that means infrastructure and the end-user computing environment.

Let’s check out infrastructure first — in particular, the server OS, DBMS, app server, Web server, development kit, email, and content/document management solution. While IT has choices for all of these, Microsoft doesn’t just continue to matter here; rather, it’s probably the most innovative force in the industry in this space right now — except in its ability to explain itself. The infrastructure story for Microsoft is excellent products coupled with incoherent storytelling.

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Then there’s the end-user computing environment (what’s usually mislabeled the “client”).

What a lot of analysts miss is quite simple and basic: Microsoft Office file formats are the industry de facto standard, and no amount of de jure standards setting will change that any time soon. Thus, any business that has to exchange documents with other companies has to use Microsoft Office, because the best any competitor can say is that its product can read and write Microsoft Office files.

That isn’t the same thing as rendering them properly, and the fact of the matter is, no matter which Office competitor you use, it will scramble Word documents that do any serious formatting at all. As for PowerPoint, you have no idea just how bizarre the results can be until you try running a PowerPoint animation in a competitor’s piece of software.

There is a work-around that lets you provide Microsoft Office to employees using other platforms: You can run Windows on a server in the data center and use VDI to push it out to client devices. Think that makes Windows less important as a client platform? Of course it doesn’t — Windows is still the client platform, but you’ll run it in a virtual machine instead of natively.

Microsoft gets a lot of dings because it just can’t seem to get things right in the mobile space. It’s an eminently fair criticism — every version of Windows Mobile so far has been at least one step behind the industry, and there’s no hint yet that Microsoft has the ability to leapfrog its competition. It’s natural to figure Microsoft’s presence in mobile computing is and will be limited to laptops, which will remain the portable devices of choice for those who plan to do serious work that requires a keyboard for quite a while.

For those who think they’ll be happy with a tablet/keyboard combo, perhaps they will. If they’re working with business documents, they’ll do so by running a Citrix or VMWare client on their iPad or Xoom.

Here’s your take-away: The increased importance of other platforms represents an expansion of what you’ll be responsible for, not a substitution. Windows and Microsoft will be important for a number of years yet — but so will other platforms and players.

–Bob

This story, “The reports of Windows’ death are greatly exaggerated,” was originally published at InfoWorld.com. Read more of Bob Lewis’s Advice Line blog on InfoWorld.com. For the latest business technology news, follow InfoWorld.com on Twitter.

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Microsoft Vista is Dead Officially. Does anyone Care?

Microsoft has declared it. And For anyone still burning a candle for Windows Vista, in the dark, its time is rapidly approaching. Buy now or forever hold your Rest in Peace, Windows 7 is coming to the rescue.

I’m not surprised that this has turned out. After all, it was all buggy. When it first arrived just in 2006, it was late, bloated. It may have looked pretty on the outside, but critics quickly pounced on it for driver incompatibility, sluggish performance on mainstream and  even high-end hardware was left unfelt. And not to forget, enough bugs to fill a family-sized tent on a weekend camping expedition. Microsoft didn’t help matters with its ill-fated “Vista Capable” designation, a public relations debacle that convinced buyers who were too lazy to read the fine print that Vista would run just as well on hardware barely suited for XP.

It’s Hardest to change the first impression

Since first impressions are often the only things that matter in today’s attention-deficit world, Vista got stuck with a reputation it’s never quite been able to shake. Which is somewhat unfortunate given how nicely Vista has padded Microsoft’s bottom line since then. It’s sold hundreds of millions of copies and it runs on the vast majority of laptops on display at the average big box electronics retailer. Service Packs and updates have fixed most of the major bugs and security gaps and more devices than ever are Vista-friendly now that hardware manufacturers have gotten into the driver game. Vista hasn’t been the failure its detractors long said it was.

 

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But memories are funny things, and despite its market performance over the past two-and-a-half years, no one seems willing to forgive Vista for being inadequately baked and improperly messaged when it first arrived. So Microsoft, recognizing that the era of the operating system is past middle age, is killing Vista. There’s been no press release, of course, no official announcement that it’s ending production — because it’s still churning out retail boxes and pre-loaded builds for OEMs just as it always has. But last week’s announcement of the Windows 7 Upgrade Option Program signals the likely death knell for Vista.

Free, cheap, and desperate

The Windows 7 Upgrade Option Program is a promotion under which customers who buy a PC equipped with Vista Premium, Business, or Ultimate between now and October will be eligible for a free upgrade when Windows 7 ships. It’s designed to prevent the usual drop in demand for a current OS that precedes the launch of the next generation — a critical move in the middle of a recession, when no one’s buying anyway. To further stoke interest among folks not interested in picking up new hardware anytime soon, Microsoft is pricing pre-orders for Windows 7 Home Premium at $49 and Professional at $99 — as close to fire sale pricing as we’ve ever seen on a Windows product.

“Microsoft has always managed the Windows sub-brands in a chaotic, ever-evolving manner, grazing over naming conventions as casually as most of us would cruise the buffet table at a distant cousin’s wedding.” a typical Frustrated user

Microsoft needs to move fast, because the age of selling a full-featured OS that fetches a triple-digit price is drawing to a close. We run applications, not operating systems, and Apple’s $29 upgrade for Snow Leopard signals just how commoditized the OS has become, and how little the average cash-strapped consumer or business owner is willing to pay for it. While you still need an OS to run the hardware that allows you to get online and run the applications you need, the slow evolution of increasingly network-centric computing points toward a future where what’s powering our hardware is less important than it is today.

Tomorrow’s operating system won’t be the headline-grabbing, Mick Jagger-attracting retail superstar that Windows once was. As long as it connects all the underlying pieces together (and stays out of our way while doing it) that will be enough. A leaner, meaner, cheaper Windows 7 bridges Microsoft toward this somewhat uncertain future. Likewise, big and brash Vista no longer has a place in the line-up, hence Microsoft’s all-hands effort to make us forget it ever existed.

Windows 7 Evolution

Call it anything you want, as long as you call it Windows. That’ll be good enough for Microsoft as it figures out how to make money in a post-Windows, post-Office landscape. With Vista out of the way, the company at least stands a fighting chance of convincing jaded consumers and enterprises alike that the OS is still relevant. Windows 7 is indeed a leaner and better product than Vista. The question on everyone’s mind is whether that’s enough to sustain the franchise. Will windows 7 be a big success? Our Earlier Benchmarks and solid proofs had shown +ve results. Will Windows 7 will it live upto the mark ?

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Windows 7 Review

Optimus Prime has returned to save the World from The Fallen!
Microsoft lost it’s long built impression with Windows Vista. Vista is the best example of a Software development failure. It showed the world, no matter how good your hardware is, your software is crappy, you cant do anything, it will fail to perform.

Windows 7 RTM [Final] Review. Benchmark vs. XP, Vista

Microsoft learned lessons, and this time before coming up with Launch of Windows 7, they had their Home Work done properly. What does it mean for you? You will get a better OS than what you had previously. I don’t even want to compare 7 with Vista. The fact is that most corporates and home user never moved to vista or upgraded back to XP. The real question is will XP users migrate to windows 7 ? Read on to find out.

It’s stable, smooth, and well-cooked, brings-out new graphical features — a new taskbar that is inspired from Mac OS X dock, and  much improved security enhancements and device management that make it both easier to use with inherited security.

 

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The important aspect – it won’t require the hardware upgrades unlike Vista. As buggy and irritating as Vista was, Windows 7 isn’t. Instead, it’s the brave, mature successor to Windows XP, and finally places it on competition with the best operating systems like OS X and Linux.

Windows 7 Flavors – Microsoft, like in Vista, is offering six versions of Windows 7: Starter, Home Premium, Professional, Ultimate, OEM, and Enterprise.

Our Guide: Choosing the Right Windows 7 Version [Flavor]

Platform – Windows 7 will run both on 32-bit and 64-bit systems.

Hardware Minimum Requirements –  The minimum requirements for 32bit are: 1 GHz processor, 1 GB RAM, 14 GB available hard-disk space, and a DirectX 9 graphics device. 64-bit – Atleast 1 GHz processor, 2GB RAM, 18.5 GB of free space , and a DirectX 9 graphics device with WDDM driver.

Compare that with that of Vista and XP. It’s pretty near to XP. So most PCs that can run XP, with minor or no upgrades, can run windows 7. Some users have claimed to have limited success running the Windows 7 with less than 1 GB of RAM, but that’s not recommended, though it will run. If you’re not sure if your current computer can run Windows 7, you can download and run the Microsoft Security Essentials from Microsoft.

Optional – A Touch-screen monitor is required to take advantage of the native touch features.

Installation – New and Upgrades
You can buy a new computer with the operating system already installed, upgrade from Windows XP or Vista, or do a clean install on a computer the user already owns. A Typical installation takes around 30 minutes, but that will vary depending on your Hardware.

Features:

Enhanced Taskbar and Aero Peek UI
Now this is the first thing that might attract you – All new Look – Mac OS X like feel. This is a full replacement OS, and more than just “Vista done right.” From driver support to multi-touch groundwork for the future, from better battery management to the most easy-to-use interface Microsoft has ever had, Windows 7 is surely full-baked.

The first thing that you would probably find eye-candy is the new taskbar. This is one of the best improvements. It features pinned programs using large, easy-to-see icons. Mouse over one and all windows associated with that program appear in preview. Mouse over one of those preview panes to reveal an X to close the window. Hover over the preview to show a full-size preview of the program, or click on the window to bring it to the front. Because of the button size, people with touch screens should find it especially easy to use. Though I prefer changing this to conventional takbar items where it’s wider than the default button and Grouping set off. I never liked Grouping in XP too, it makes things slower. It’s totally a personal choice.

Jump lists is another new taskbar improvement that make recently opened documents easier to get to. Right-click or left-click and drag on any program icon pinned to the taskbar to see a list of files that you’ve recently used in that program. In Media player, it shows recently played media – Music, video, photos, playlists. For IE, it shows recently visited Web sites, although it doesn’t seem to work in Firefox, yet.

Show Desktop icon got a new place- the right corner. Mouse over to the right corner. Hovering over the Show Desktop box reveals the desktop, and then hides it when you mouse away. Click on the box to minimize all windows.
Resizing windows is much more simpler than before. To resize, Drag a window to the top of your monitor to expand it to full screen. If you want to work in two windows simultaneously, drag one to the left edge and one to the right edge of your screen, and they’ll automatically resize to half the width of your monitor.
Want to return to normal size ?
Drag thew window away from the top or sides will return it to its original size.

Themes

Windows 7 comes with bundled theme packages, which makes it much faster to change. From the Desktop Right Click >,select the theme under Appearance and Personalization. You can customize the themes to get different colors for taskbar, etc, wallpaper rotation, sound packs. You can also download them.

Windows Media Player
Windows 7 comes bundled with WMP 12. I didn’t like it much from UI though. It’s not as easy to use as was WMP11. Aprat from that, you can now stream media files from one Windows 7 computer to another, across the Internet and out of network. Even better, the setup procedure is dead simple. A New definition to Media sharing/streaming.

Streaming – In Windows Media Player, there’s a new Stream option. On toolbar, Click Stream, and you’re presented with two choices. Both require you to associate your computer with your free Windows Live ID. When you’ve associated a second Windows 7′s WMP with that same ID, you can remotely access the media on the host computer. Windows Media Player’s mini mode looks much slicker, emphasizing the album art–sometimes at the expense of clearly seeing the controls, but it’s a definite improvement.
Another WMP improvement is the new Device Stage makes managing peripherals significantly easier, combining all your installed hardware — printers, phones, and portable media players, USB drives into one window. Device Stage support for older devices makes one of Windows 7′s best features applicable to peripherals and externals that don’t need to be upgraded. One annoying change is that Bluetooth driver support no longer comes baked into the operating system. If you need a Bluetooth driver, you’ll either need the installation disc on hand or you’ll have to go download it.

Search
Search has also improved. The Proof:- Files added to the hard drive were indexed so fast that they were searchable less

than 5 seconds later. Search result snippets now include a longer snippet, and highlight the snippet more clearly. It’s a useful feature for anybody who wants to find files faster. However, the search field is available by default only in the Start menu and in Windows Explorer, and cannot be easily added to the taskbar.

Touch screens

Touch-screen features worked surprisingly well. The hardware sometimes misread some of the multitouch gestures, occasionally confusing rotating an image, for example, with zooming in or out of the image. Overall, though, there were few difficulties in performing the basic series of gestures that Microsoft promotes, and this places Windows 7 in an excellent position for the future, as more and more computers are released with multitouch abilities.

XP mode

Probably if you are upgrading to 7, your business and home applications should run on 7. Windows 7 should run most of you apps as it is. If they fail to, 7 has a special feature to tackle this – XP Mode. XP Mode creates a virtual environment within Windows 7 that should assuage any fears of upgrading without backwards compatibility.
Important: To use XP Mode you should have a processor with Hardware vistualization support – Intel’s VT or AMD’s V. Motherboards older than two years probably won’t work, and even if you do have a newer one you might have to go into your BIOS and activate Hardware Virtualization.
To begin with, you have to download the XP Mode installer.

Security – How Secure is Windows 7 ?
The crappy troublesome User Account Control, or UAC, is back in Windows 7. But the good news is, Microsoft has tweaked the feature so that it’s less intrusive, but it’s not clear whether that means you’re actually more or less secure than you were in Vista. UAC was one of the biggest changes in Vista. It tightened program access, but did it in such a way as to frustrate many owners of single-user computers. Windows 7 provides more options for user customization of UAC.

The default setting is to notify users only when programs try to make changes to the computer, one step below the most restrictive setting of Always Notify. Under Always Notify, anytime a program tries to access the Internet, or you try to make changes to the computer, Windows 7 will require user confirmation. The second-least restrictive option doesn’t dim the desktop when UAC is activated, and will only notify the user when programs try to make changes to the computer. When the desktop dims, Windows 7 is locking it down and preventing access. Never Notify is the most relaxed option, and is only recommended by Microsoft for programs that aren’t compatible with UAC.

UAC also displays a blue banner when confronted with a program from a known publisher versus a yellow banner and exclamation point when the program is from an unknown publisher. The number of clicks it should take to use UAC safely has been reduced, However, it’s important to note that it’s a less-aggressive default posture by UAC.

A less glitzy, but no less important, change to how removable drives are handled also can impact your media. Unlike Windows XP and Windows Vista, Windows 7 will no longer AutoRun external hard drives and USB keys when they’re connected. This kills off a risky vector for malware infections that has been the bane of many security experts.

It’s possible that Windows 7 will eventually ship with additional programs, including the revamped Live OneCare antivirus and antimalware program now called Microsoft Security Essentials, but Microsoft has given no indication if that will happen. For now, users will have to download a third-party antivirus and antimalware program, although the Windows Firewall remains intact. As with many features in Windows 7 that have been carried over from Windows Vista, people will notice there’s far more granular settings control than before. Features like filtering outbound traffic, which were available in Vista but not exposed, are easier to access in Windows 7.

Performance

Windows 7 feels faster than Windows XP and Vista, but it turns out that’s not always the case, sometimes, it’s the slowest out of the three operating systems. CNET Labs, ZDnet tested: Windows 7 RTM build 7600, Windows Vista with Service Pack 2, and Windows XP SP3.

Hardware used: Core i7 quad core @ 3.2Ghz

Graphics- ATI Radeon HD, 6GB RAM

Memory management and Cache performance

Cache & Memory benchmark – Source: ZDnet

With Vista, Microsoft introduced a new technology called SuperFetch, for caching applications and speeding up boot times. This feature preloads frequently-used applications into memory, so they can be accessed quicker when they’re needed.

For conventional magnetic hard drives, most common, this technology makes sense. But if an SSD is used for mass storage, it’s better to turn SuperFetch off. The superior access times of SSDs mean they launch applications much faster than magnetic drives, so SuperFetch makes little difference.
In the RTM version (7600.16385), only Defrag is in fact inactive for SSDs — SuperFetch and ReadyBoost start just as they would with a magnetic disk.
The SuperFetch feature in Windows 7 differs significantly in approach and cache usage from its counterpart in Vista. Under Vista, the caching of applications starts immediately at launch. As the graph below shows, after three minutes just over 1GB of memory has been allocated. In Windows 7, SuperFetch starts after five minutes and after 10 minutes a little more than 600MB has been allocated. By that point, Vista’s SuperFetch has allocated more than 1.5GB.
Even without SuperFetch turned on, Windows 7 makes fewer demands on cache. For operating system-related functions, it uses 333MB, while Vista without SuperFetch uses 519MB of cache.
Windows 7 clearly makes do with fewer resources, so its cache usage is significantly lower than Vista’s.

Overall Performance: PCMark Vantage Benchmark

Benchmarking the applications that are integrated into Vista and Windows 7.
Click the image to open in full size.

PCMark score: longer bars are better source: zdnet

The benchmark is based on several usage scenarios, with the default PCMark Suite simulating everyday PC usage. Here’s a key areas of the tests:

Memory utilization, TV, Movies, Gaming, Music, Communication, Productivity, HDD

More information about PCMark Vantage benchmark is available in this PCMark white paper.

Roughly, every application will work 20 percent faster under Windows 7 on average, bare minimum.
Verdict

Windows 7 performs better than Vista and is faster than XP. Although XP is still more capable for devices with limited/outdated CPU, memory and graphics.

Faster system startup and shutdown, improved parallel processing(specially for Multi-core), and faster loading of drivers and operating system components.

Enterprise users will observe the faster login to a domain.
Windows 7 is more cache-efficient because of improved display drivers. Even with multiple open windows, the memory usage of the Desktop Window Manager, DWM remains same.  This is so because the video card’s memory taking on the load of opening of additional windows. Fact is, under Windows 7 this load is half of Vista. Direct2D, further speeds up 2D graphics rendering. For graphics cards containing ATI and Nvidia chips, this is not an issue. However, these drivers are not yet available for older Intel graphics chipsets and pretty helpful for them.

Users can employ the built-in Windows 7 DirectX 11 interface to access the graphics power of the GPU using appropriate graphics hardware – useful to those who provide video-encoding tools.
In Windows 7, Microsoft has succeeded in providing an OS that’s likely to meet the performance requirements of consumers and business users alike. The early signs are that Windows 7 will enjoy a much better take-up than Vista.

Windows 7 looks like the operating system that both Microsoft and its consumers have been waiting for. By fixing most of the perceived and real problems in Vista, Microsoft has laid the groundwork for the future of where Windows will go. Windows 7 presents a stable platform that can compete comfortably with OS X, while reassuring the world that Microsoft can still turn out a strong, useful operating system.