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Buying a Refurbished Dell Laptop
2007-04-07 12:36:00
Dell offers a full line of refurbished laptops on their website, dell.com. Look for “Outlet Refurbished Laptop s.” There you will find a full range of popular models that run just as reliably as a new machine – for hundreds of dollars less than you would pay for new versions. This is because Dell refurbished laptops are inspected for “good-as-new” quality. The only differences are the red label on the bottom of the unit and a lower price.Dell’s most popular refurbished laptops are Latitude and Inspiron. The Latitude series of “notebook” computers is no longer manufactured, but is still a great buy for someone looking for an up-to-date machine. Latitude is an apt name for these models: they afford you great leeway in updating, expanding, or otherwise changing the internal workings of the computer. With its black chassis and clean lines, it is a rather “normal” looking computer. It is a middleweight unit, but sized to fit any standard laptop case, along with AC/DC a...
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Tips For Going Wireless With Your Own Notebook Computer
2007-04-07 12:28:00
If you have a recent model notebook computer you probably have wireless technology built into it. If not you can get a wireless card to install into your notebook to work in conjunction with your wireless router.Once you are wireless you will know the joy of picking up your computer and walking anywhere around your house with it. Depending on your signal strength you may even be able to hang out on your patio.Newer notebooks are Wi-Fi ready. It already has the wireless hardware and software built into your computer. Several people in your family may be wireless as well. It is a beautiful thing to see everyone hang out in the family room with their notebooks all able to work or play online at the same time.You will always be able to connect using the Wi-Fi network at work or steal bandwidth from someone else. There are hotspots everywhere you go including your own neighborhood. You are better off setting up your system in a secure way to avoid your neighbor's doing this to you and t...
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Blackberry Pearl
2007-03-25 18:51:00
Blackberry Pear l is one of the latest GSM handheld from Research in Motion (RIM). It is also the smallest of the smart phones marketed by RIM.Straight into its specifications, the Blackberry Pearl is quite compact unlike the earlier RIM models. And the biggest trade-off happened in this process is the inclusion of the new SureType system, the keypad in which each button handles two letters, replacing the old and better looking QWERTY keyboard. It might take a bit of practice to get used to the keypad, but it is not cumbersome either.Another change that RIM had introduced in its slimmest smart phone is the track ball in place of the scroll wheel in its older versions. In comparison, it is far easier with the track ball to make the selections, to zip through the menus in all direction, than with the scroll wheel that used to lie on the side of the device.On its overall design, the Blackberry Pearl weighs 90.7gm and has a physical size of 107 x 51 x 15 mm. In rough comparison, it will ...
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Microsoft Provides Useful Virtual 'Gadgets'
2007-03-25 05:33:00
In the past, the word 'gadget' has almost always applied to a physical object that you could use for some unique purpose. Gadget s could be useful to the point of saving massive amounts of time and energy for their users, or they could be little more than interesting trinkets. Gadgets are almost always novel in some way or another though.Now the word gadget has transcended the need to be a material object and also applies to some types of computer programs. Specifically Gadgets are now types of programs that are designed to be run on Microsoft 's new Windows Vista operating system and to be run embedded in a special web based service offered by Microsoft. Because these gadgets come in two different varieties, those varieties are specified by the names of the gadgets. For example, Web Gadgets are embedded in the web page in a similar way to traditional applets. The Sidebar Gadgets are run in a special sidebar in the Windows Vista operating system.These software Gadgets are available...
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Windows Vista for Laptops
2007-03-06 12:56:00
Vista is coming soon to a computer near you, are you ready? Unlike past editions of Microsoft Windows this new version seems to be generating a lot more pre-launch buzz. Maybe it has to do with all the new improved browsing and computer features that the Vista will supposedly deliver. What is Vista? Vista is the new version of Microsoft Windows, which will offer users a greatly improved browsing and computer experience mainly through more dynamic 'live' windows and faster presentation. It will offer a more robust security (direly needed!) and more business features in its corporate OS with encryption, Unix services, and virtual machine capabilities. You will be able to use different graphical tools to more efficiently manage your information and applications on your desktop. If you read the information on the official Vista site, you may come away believing your desktop will never look or feel the same again. Vista Homepage: http://www.microsoft.com/windowsvista/ There is one unde...
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GPS Security Functionality
2007-03-06 12:47:00
One of the most common uses of Global Positioning System (GPS) technology, by businesses and consumers alike, is to ensure security from theft, as well as human safety. Using a GPS tracking system ( http://www.gpsdevices.info/gps-tracking-s ystem.php ) is an excellent way for an individual or small business to keep track of important equipment including vehicles, machinery, and portable electronic devices, such as laptops and cell phones. A prime example of the usefulness of GPS technology for security purposes is its abilities in the fight against vehicle theft. If you car or truck were stolen, and it had a GPS vehicle tracking ( http://www.gpsdevices.info/gps-vehicle-tr acking.php ) system installed, then you would be able to pinpoint the exact location of the vehicle, and see its exact coordinates on a map. You could then turn this information over to the police, allowing them to retrieve the stolen vehicle, and apprehend those responsible for the theft. GPS technology can also be ...
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Top 5 Reasons To Go Wireless
2007-03-06 12:21:00
Wireless networking is 1 of the greatest new computer technologies in terms of convenience. If you're weighing the pros and cons of wireless before taking the leap, here are 5 to put in the "pro" column.#1: No More WiresOf all the reasons to switch your network to wireless, this is perhaps the most important. Wires are inconvenient, expensive, dangerous, and downright ugly.No more wires across the floor improves the safety of your home, since it's easy to trip over exposed wires.The average Ethernet wire doesn't cost much per foot, but it adds up quickly. To run wires between rooms or floors, you have to knock holes in the walls, which might not even be an option for renters.Plus when you move you don't have the mess of disconnecting all the wires only to re-connect them at the other end. Nor do you have to examine every wire for damage if your internet connection goes down.#2: Internet Access For AllWireless networking gives you a cheap, easy way to share 1 internet connection ...
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VOIP As An Alternative To The Telephone Landline
2007-02-08 18:37:00
If you’ve ever suffered the pain of high telephone bills, then VOIP is the cure, the service is often a fraction of the cost of normal landline telephone services and the clarity of the connection and communication is of a very high standard.VOIP call plans are typically aligned with the cost of a local call, even for long distance or international calls.VOIP has enabled business and personal users to hook up with other VOIP users, or even normal landline users, anywhere else in the world via computer and an internet connection, preferably and ADSL or cable due to the bandwidth requirements. Typically, a VOIP service re-routes the telephone call via software or a hardware unit, through the internet connection to the VOIP service provider, who then channels it outside to the normal telephone network.VOIP comes in many shapes and forms. Software VOIP, typically Skype, utilises a software program installed on the user’s hard drive, opened when needed and controlled via the keyboard...
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Comprehensive information about GPRS and Edge
2007-01-03 08:15:02
GPRS (General Packet Radio Services) is a packet-based wireless communication service that, when available in late 2000, promises data rates from 56 up to 114 Kbps and continuous connection to the Internet for mobile phone and computer users. The reality will be around 33 Kbps (2+1 or 3+1 @ CS2, 4+1 for fixed modem). GPRS is based on "regular" GSM (with the same modulation) and will complement existing services such circuit-switched cellular phone connections such as SMS or cell broadcast. Voice over Ip over GPRS is also explored. In theory, GPRS packet-based service should cost users less than circuit-switched services since communication channels are being used on a shared-use, as-packets-are-needed basis rather than dedicated only to one user at a time. It should also be easier to make applications available to mobile users and Wap or i-mode should far more attractive for the user. In addition to the Internet Protocol GPRS supports X.25, a packet-based protocol that is used main...
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The Evil Robotic USB Snowbot
2007-01-01 20:14:01
This has got to be the coolest (albeit most useless) USB gadget around, the USB powered Snow bot. The Snowbot looks and sounds like it has come off a set of BattleStar Galactica (thank you ScFi). Simply plug it into any free USB port and watch the Snowbot?s LED robotic eye scan from left to right.For added fun you can adjust the speed of the eye scan, switch the spooky robotic sound on and off and even manually move its articulated arms (what more could you want from a robotic snowman).
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Intel Quad-Core Microprocessor Chips unveiled by IBM
2007-01-01 20:14:01
On Tuesday, Intel , the world?s largest chip maker unveiled its first quad-core microprocessor. The chip maker officially released versions of its four-core server and PC chips. Last year, the dual-core technology that was launched uses two microprocessors to perform tasks at the same time. However, Intel?s latest Haifa innovation uses quad-core microprocessors, which actually doubles the equation. This further increases the computer processing speeds and energy savings. According to Intel, the makers of the quad-core processor, ?The technology delivers four ?computing brains? inside a single microprocessor enabling it to multi-task more effectively.? Intel is aiming its latest innovation at the high-end market, as the launch sees the introduction of the Quad-Core Xeon 5300 and Intel Core 2 Extreme quad-core families for general purpose servers and workstations, digital media creation, high-end gaming and other market segments as well. According to Intel, the Quad-Core Xeon ...
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Data Recovery from laptop and notebook hard disk drives
2007-01-01 20:14:01
Laptop and notebook computers make up an ever increasing percentage of the computer population. Regardless of the manufacturer of the laptop or notebook, its hard disk will nearly always be either an IBM Travelstar, Hitachi DK23, Fujitsu or Toshiba hard drive . All laptop hard disks are prone to the same problems as their desktop counterparts, but because of their smaller size and greater density they are uniquely prone to a few others also. Typical data loss situations that arise with laptops are - Impact damage eg. the laptop is dropped or sat onInaccessible drives and partitionsVirus attackHard disk component failureHard disk crashesFire, water, coffee and other liquid damageMedia surface contamination and damageAccidental reformatting of partitionsAccidental deletion of dataInaccessibility of data due to drive being protected by ATA password
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Computer networking device
2007-01-01 20:14:01
Router is a computer networking device that forwards data packets across a network toward their destinations, through a process known as routing. Routing occurs at Layer 3 (the network layer i.e. Internet Protocol (IP)) of the OSI seven-layer protocol stack. Routers are like intersections whereas switches are like streetsA router acts as a junction between two or more networks to transfer data packets among them. A router is different from a switch. A switch connects devices to form a local area network (LAN). One easy illustration for the different functions of routers and switches is to think of switches as neighborhood streets, and the router as the intersections with the street signs. Each house on the street has an address within a range on the block. In the same way, a switch connects various devices each with their own IP address(es) on a LAN. However, the switch knows nothing about IP addresses except its own management address. Routers connect networks together the way th...
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