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Posts Tagged ‘ computer ’

By Rick Broida

August 25, 2010

SAN FRANCISCO – Raise your hand if this has happened to you: You’re on an airplane, watching a movie on your laptop, when all of a sudden the screen goes dim. Or you’re giving a PowerPoint presentation and your PC suddenly goes to sleep.

These kinds of hassles can happen after a period of “idleness,” when the system detects no mouse or keyboard input. Blame Windows’ power settings, which by default try to conserve power if they think you’re not doing something. (Funny how Windows isn’t yet smart enough to know if a movie’s playing or there’s a projector connected to your laptop.)

As you probably know, all it takes an occasional jiggle of the mouse to keep the system humming. And that’s the idea behind Mouse Jiggler, a free utility that “fakes” mouse input–and saves you from having to mess with Windows’ power settings.
Just run this tiny app as needed–say, before you start your movie or presentation–and click Enable Jiggle. Then take your hands off the mouse for a couple seconds. You’ll see your pointer start to hop back and forth a tiny bit–enough to trick Windows into stayin’ alive.

In some programs (like Windows Media Player), mouse activity like this can have the unwanted effect of making onscreen controls appear. For situations like those, enable Zen Jiggle, which does the “jiggling” behind the scenes, with no actual cursor movement. Clever!

Mouse Jiggler works with all versions of Windows; it requires Microsoft’s .NET Framework 2.0 or later.

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Dell Vostro 320 AiO

By Jon on October 25, 2009

October 5, 2009

Dell’s Reliable All-in-One PC For The Office
By Luis Anthony G. Oliveros

Dell Vostro 320 AiO
P34,950
www.dell.com

Despite the mainstream consumer demographic all-in-one PCs (AiO) have been generally known to target, Dell has relegated the Vostro 320 AiO under its Vostro banner of machines geared for the business segment. This is an apt route for the compact desktop since it does carry a good set of features to match the range of all-purpose business needs and a space-saving form factor to boot.

At 386.39×477.39×103.98mm, it has a particularly small footprint which allows it to be perched on any table top while still leaving enough room for its mouse, keyboard and other office table accouterments. And since it comes sheathed under black hard plastic exteriors, it practically looks at home in most business environments with a significant aesthetic bump provided by its glossy finish and softly contoured corners. 

Tucked neatly around its slick chassis is an array of connectivity ports neatly laid out for easy access. The right side panel houses three USB ports and the audio in/out jacks accompanied by the power button and the onscreen display adjustments, while the slim-tray DVD-ROM is sitting by its lonesome on the left side panel. At the back is a VGA output for connecting to an auxiliary display panel, three additional USB ports, an auxiliary audio jack, the RJ45 outlet and interestingly enough, two PS/2 ports for accomodating legacy mice and keyboards.

The review unit we tested came with a 19-inch WSXGA+ LCD screen which yielded clear images with good black-white contrasts and brightly rendered hues. It also has a matte finish to reduce screen glaring and reflections. This, along with its built-in 1.3megapixel Web cam, mic and speakers, also easily makes this desktop a good VoIP communication tool. Additionally, variants with 17- and 18.5-inch screens are also available.

Its integrated Intel GMA4500 HD graphics chip isn’t exactly the best in the market but it proved to be more than adequate for basic productivity functions like word processing and Web surfing. While it also did a decent performance rendering mainstream casual games and playing videos (both streaming online and via its slim-tray DVD-ROM), the Vostro 320 AiO is no gaming powerhouse so don’t expect it to flawlessly run FEAR or Left 4 Dead.

Packed within is an Intel Celeron 440 processor clocked at 2GHz and 2GB memory. This coupling enabled this machine to run smoothly during our tests which involved multitasking with a handful of word processors, Web surfing with a few browser windows and an IM client running in the background. Handling storage in our review unit is a conveniently partitioned 160GB HHD; while it may not at all sound spacious at a glance, it’s actually sufficient given this AiO’s intended mainstream business uses. However, Dell also threw in a 250GB storage option if you need a bigger space; either that or you can supplement it with an external HDD through one of the USB ports. Similarly, an 80GB model is also available for office departments with less than average storage needs. 

The Dell Vostro 320 AiO is a very competent desktop you can rely on. It has fine inner workings to match your varying office computing needs nestled inside a compact form factor. A solid purchase at P34,950.
ProcessorIntel Celeron 440 (2GHz)
Memory2GB DDR2
Storage1600GB
GraphicsIntel GMA4500 HD
Screen19-inch WSXGA+ LCD
NetworksGigabit Ethernet / Wi-Fi
Dimensions386.39×477.39×103.98mm






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By Jon Brodkin
Network World (US)
February 17, 2009

FRAMINGHAM- A startup called Neocleus is preparing to ship a bare-metal desktop hypervisor that it promises will improve endpoint security and let IT shops manage how virtual desktops interact with each other.

The current desktop virtualization market is dominated by Type 2 hypervisors, which run as an application on top of the operating system. Citrix and Intel are working on a bare-metal, or Type 1, hypervisor for client PCs, and plans to release one of its own the second half of this year. Vendors say bare-metal hypervisors will be more secure than today’s model because they are independent of the client OS, and will run faster because they let applications run on the local client rather than a remote server. Neocleus, which was founded in 2006 and emerged from stealth mode nine months ago, was “really the first to make a stance and put a bare-metal hypervisor on the device,” says Forrester analyst Natalie Lambert. Neocleus debuted last year with Trusted Edge, a US$79-per-device product that lets end points securely connect to corporate data center resources. Neocleus will go into beta the last week of March with its full platform, code-named Mako, and then ship in May or June, says chief marketing officer William Corrigan. Neocleus’ headquarters are in New Jersey, but nearly all of the company’s 35 employees, including its CEO, are based in Tel Aviv, Israel. CEO and co-founder Ariel Gorfung was previously CEO of Intuwave, a UK company that made middleware for the Symbian mobile OS. CTO and co-founder Etay Bogner previously founded security vendor SofaWare, which was acquired by Check Point. Neocleus’s virtualization software, an adaptation of the Xen server hypervisor, will allow PCs to run multiple operating systems such as Windows, Mac OS and Linux. Each OS would be in its own “bubble,” which, if infected, could simply be deleted, preserving the integrity of the machine as a whole, Corrigan says. Virtual desktops can be managed centrally, but not in the sense of pushing patches out to user machines. Instead, Neocleus sets policies, a lot of “if, then, else,” Corrigan says.

“If a particular condition exists, then allow this application to run in this particular virtual machine. Or, if that virtual machine doesn’t exist on that machine, go get the VM on a central server,” he explains. “We’re managing that externalization of the virtual machine, the shell. How does one shell interact with this one or do they not [interact] at all.”

Polices might prevent one operating system from using more than a certain percentage of a system, or prevent certain users from using particular devices or applications. This is useful for businesses that want to separate personal and corporate computing into different virtual machines, Corrigan says.

Neocleus is not targeting the thin client market, and, as Lambert notes, desktop virtualization typically requires more up-front cost than simply buying new PCs.

But Corrigan contends that the price of desktop virtualization is worth it, saying “how do you measure the cost of one catastrophic virus?”

Neocleus will likely charge between $50 and $100 per desktop.

The company has $11.4 million in second-round funding from Battery Ventures and Gemini Israel Funds.

The IDG News Service contributed to this report.

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