Blu-ray Technology

New technology is now making it possible for viewers to record and store high definition programming onto DVDs. Blu-ray Disc is one method of recording HD content onto an optical disc. A blue-laser optical disc (MPEG-2 or MPEG-4) is used. Systems that use this technology will be able to play traditional DVDs, but the goal of Blu-ray is to create an image that’s as close to the HD format as possible. The name Blu-ray comes from the blue laser that decodes and copies information to each disk. Blu-ray technology may very well revolutionize the world of high definition programming. The Blu-ray disc format offers greater potential for storage, usually 25 gigabytes, which exceeds that of a standard DVD (15 gigabytes). One single-layer Blu-ray disk can hold about four hours of high definition content. A two-layer disk can contain eight hours of HD content. Four- and eight-layer disks are now in the works. These disks would have storage capabilities of 100 and 200 gigabytes. The Blu-ray recording system utilizes a shorter wavelength for recording information than traditional CDs and DVDs, and this is part of what allows it to hold more content on a single disk.

Blu-ray has also influenced the computer industry, specifically in terms of data storage capability. A number of major companies have come out in support of Blu-ray, including Apple, Dell, Hitachi, Pioneer, and Sony. Hewlett Packard plans to market desktop computers and laptops that utilize Blu-ray technology. Sony has announced that it will introduce a Blu-ray component in PlayStation 3, which is expected to appear in November of this year. Microsoft has also said that it may add a Blu-ray component to its Xbox 360. Currently, Blu-ray is only available in Japan, but it will appear in the United States in May, in video games and a DVD system that recreates a high definition effect on a viewer’s TV.

Many movie studios have Blu-ray films planned for future release. In 2005, Sony Pictures cornered the market on the first Blu-ray feature-length movie disk, which was none other than Charlie’s Angels: Full Throttle. Studios that support the technology include Walt Disney and Twentieth Century Fox.

Competing with Blu-ray in the area of HD storage is HD DVD. HD DVD disks have less storage capability, but they’re cheaper to produce. Other big-name companies are showing their support for this option, including Microsoft, Intel and Toshiba, as well as Universal Studios. In what may be the smartest move, some companies are backing both types of technology, ensuring that their products support both Blu-ray and HD DVD. These companies include Samsung, Paramount and Warner Brothers.

Blu-ray is facing challenges from other competitors in the HD market: the Enhanced Versatile disk, the Digital Multilayer disk, and the Holographic Versatile disk are a few alternatives to Blu-ray.

Types Of Notebook Computers

Notebook, notebook computer, laptop, and laptop computer are different terms for a small computer, which is mobile, and weighing about 1 to 6 kg or 2.2 to 18 pounds, depending upon the model. In 1979-1980, Bill Moggridge of GRiD Systems Corp. designed one of the first laptops and named it as the GRiD Compass 1101. It featured the clamshell design where the flat display folded shut on the keyboard. In May 1983, Gavilan Computer Corp. introduced and first marketed as a laptop, known as Gavilan SC. About this same time, Sharp Corp.Ltd., announced their laptop Sharp PC-5000.

In 1989, Compaq introduced Compaq LTE, which was a laptop of a smaller size, about the size of an A4 paper notebook, and it popularly came to be known as a notebook computer or notebook. Thereafter the terms laptop and notebook began to be used interchangeably. Nevertheless, the terms, notebook and laptop are incorrect terms, as due to the heat, many laptops cannot be placed on top of the lap, and most notebooks are not the size of an A4 paper notebook. However, what manufacturers usually call as a notebook, end-users prefer to call it as a laptop; hence both the terms are used.

According to the functions and the models of notebooks, they are generally classified as: Ultraportables (screen is diagonally less than 12 inches, weight is 1.7 kg or less); thin-and lights (screen is diagonally from 12 to 14 inches, weight is from 1.8 to 2.8 kg); medium-sized laptops (screen is diagonally from 14 to 15.4 inches, weight is from 3 to 3.5 kg); and desktop replacement computers (screen is diagonally from 17 to 20 inches, weight is 4 to 6 kg).

The concept of laptop was to make a device that could use the same software of a desktop computer, but much smaller in size to enable mobility and support mobile computing (ability to use the computer while in transit). Thus, further innovations have introduced transportables (which can be moved from one place to another without supporting mobile computing); tablets (which feature touchscreens and support mobile computing); ultra mobile PCs (which are very small and compact tablet PCs); internet tablets (which support internet and mobile computing); personal digital assistants (PDAs), which are pocket-sized and support mobile computing; handheld computers, which represent expensive tablets or PDAs; and smartphone, which is a PDA or a handheld computer with cellphone integration. Over the development phases, these classifications got blurry at times, and many machines fused functionalities of other categories.

Notebooks can be used for various purposes. Commercial purposes like attending phone calls, receiving and sending emails and faxes, typing out letters and printing them, making presentations with pie and bar charts, and taking data from one place to another can be achieved by any standard notebook. However, high fliers prefer thin-and-light notebooks and for regular office work, ultraportable notebooks are preferred. Both are wireless notebooks so they can be remotely accessed. Scientific purposes are best suited with a notebook that features fast computing speed, good 2D and 3D graphics display, and a large memory, like desktop replacement notebook, and a thin-and-light notebook. Artistic purposes require animation, 2D and 3D drawings, interior & exterior designing, arranging music compositions, post-production audio-video work, etc., which can be fulfilled by desktop replacements, gaming notebooks, and mainstream notebooks.

Educational institutions normally do not prefer notebooks due to its high chance of being stolen. Additionally, they prefer that their assets do not move around within the premises in the hands of students who may be careless. However, to keep up with the times, and to be considered as techno-savvy, they do invest in notebooks. The types of notebooks best suited for educational purposes are mainstream notebooks, and desktop replacements. Students need a notebook to do projects, prepare study notes, and to play some games in their spare time. They need to take the notebook wherever they go, hence, size and weight are major considerations. The type of notebook that fulfills student needs is a thin-and-light notebook with locking facility so that they can lock it with their backpack. Most students report late submission of projects due to their notebooks being stolen.

So no matter what the purpose one might have for using a notebook, it seems that mobility will always seem to be the main reason for such a product purchase. Nowadays with so many models being offered with affordable prices, it seems that notebooks will always be a product in demand. After all it is one of the best selling computer hardware for quite some time. And that says it all.

Checking for Key Digital Camera Features

In this article, I shall provide a list of the digital camera key features that you should think and know about. Here’s a summary of what to look for:

Resolution determines how sharp your image will be, how much you can enlarge a photo before the pixels start to becomedistracting, and how much you can crop a photo and still be left with adecent image that you can enlarge and manipulate.

The lens is the eye of your digital camera. Look for the following in your lens:
•You’ll want good-quality optics that focus a sharp image on yourcamera’s solid-state sensor. The best way to gauge the quality of the lens is to take a test photo or two. A vendor’s reputation or lab tests in magazines are other ways to evaluate a lens.
•The lens also needs enough light-gathering power to let you shoot inreduced light levels. A camera’s light-gathering capabilities are measured in something called f-stops.
•The magnification power of the lens (how large or small an image appears to be from a particular shooting position) is another factor. A digital camera’s lens magnification can usually be varied by zooming in and out to make the image larger or smaller.
•A related factor, the zoom range, is another key characteristic to look at. Where magnification tells you only how large or small theimage can be made to appear, the zoom range tells you the differencebetween the two. As I mention under the discussion of generalcamera categories, some lenses have only a small zoom range, say 2:1,whereas others have a longer range, up to 12:1 or more (which meansthe image size can be varied up to 12X).

What’s the difference between magnification and zoom range?
Magnification deals purely with how large or small an image appears to sbe. For example, one lens may extend from a 28mm (35mm equivalent)to 85mm (35mm equivalent) magnifications, a 3:1 zoom range. Another lens might go from 35mm to 105mm (both 35mm equivalents) and also qualify as a 3:1 zoom range optic. However, the second lens would provide more relative magnification.

The kind and amount of removable storage is another key feature. The more storage space you have for photos, the more pictures you can take before “reloading” your digital camera. Most cameras use CompactFlash, Secure Digital, or other electronic “film” media.

4.Exposure controls:
Except for the least expensive models, all digital cameras include automatic exposure controls that adjust the amount oflight reaching the sensor based on the lighting conditions of your subject. If the illumination is low, an auto exposure system uses a wider lens f-stop or exposes the sensor for a longer period of time. If there is a lot oflight, the exposure system reduces the amount of light reaching the sensor. Cameras with more versatile automatic exposure controls let you specify what type of exposure to use. For example, when shooting action, it’s often preferable to use the shortest shutter speed possible to freeze the motion and to adjust the size ofthe lens opening instead. Conversely, if you want a lot of your image to be in sharp focus (say, objects very close to the camera and very far are both important), you may be able to choose an exposure mode that favors maximum depth of field. You probably want a digital camera that can handle several different exposure modes and lets you set exposure yourself.

5.Focus controls
Most digital cameras also have an automated system for sharply focusing your images. Some are more versatile than others, and many cameras also let you focus manually to ensure that the subject matter you want to emphasize is the sharpest.

Digital cameras generally have four ways to let you preview and compose your images prior to exposure. The color LCD panel on the back of the camera shows you the same image that the sensor is capturing. The LCD is often hard to view in bright light, so digital cameras also may have optical viewfinders that let you see a non electronic version ofthe frame. More-advanced cameras might include a second LCD (EVF) in the camera, where it is shielded from the glare of the surrounding light. Single lens reflexes (SLRs) let you see an optical version of the picture through the same lens used to take the photo.

7.Other equipment, other features
Finally, as you choose your digital photography gear, think about accessories, such as tripods, filters,add-on lenses, external electronic flash units, scanners, printers, and additional stuff. Even the storage media you use to archive your photos, such as CDs or DVDs, can all be important.

Best Features Of A Digital Camera

It takes one around and through the digital camera so one knows how it works and what its features are used for as there are hundreds of links to the best sources and products so you can learn even more. There is a great variety in cameras for example the one for the beginners has E-TTL II for stable flash exposures and improved White balance compensation for the clarity of the picture. To store these cameras there is a specially designed carry case with internal pockets large enough to hold money or credit cards.

Zoom cameras:

Zoom cameras are used for a better picture and better efficiency by moving the sensor itself to give a better quality of picture. There is an image processing technology, which gives users images as beautiful as those they see with their own eyes and this makes the camera a special one. Some cameras can be described in a sentence by quoting that Good things come in small packages like this digital camera. Most of the good quality cameras are clear, high-quality prints so that one can capture the picture in a better way.

Small cameras:

The best part of a small digital camera is that this digital camera is smaller than a matchbox and stores a lot of pictures in its internal memory. Most of the manufacturers have a latest sensor, the all-new eight mega pixels four-color there was ignorance to all other changes that made a formidable combination with a high quality mechanically linked zoom lens. There are many spy cameras with functions that can be of a great use and chief among them it’s super compact size and as it is of the size that is as small as a credit card that is beneficial for users to carry.

3 Simple Ways To Save A Bunch Of Money When Buying A New Computer

For most people, buying a new computer does not have to be as stressful as buying a new car. Nor does it have to be as expensive. If you’re like most people, and you have a limited budget for buying a computer, then you need to try to get as much computer for your money as possible.

Here are 3 simple ways anyone can save money when buying a new computer:

1) Shop around for best deal.

Sounds pretty obvious. But many people don’t realize they don’t need the fastest, most expensive computer with the most “extras”. In fact, if you are already using an older computer, even the least expensive new computer will be a big upgrade. If you don’t know a lot about computers, you can learn a lot by shopping around. Ask lots of questions, compare prices, compare features, then find the best price. Shop at your local electronics store, and look for the best deals online. You’ll be surprised at how much money you can save by shopping around!

2) Install your own “extras”

Many computers you will find in a store have a lot of extra software already installed. While this is convenient, it is not always the best way for you to save money. Also, while many of these extras sound good, you don’t always need them. You can often find better deals by shopping around separately for your own software extras (such as a word processor, anti-virus, popup blocker, spyware removal, games, etc). And some of these you can get for free. So before you buy the “fully loaded” computer, ask yourself if you really need all the extras, then shop around to see if you can buy a scaled down computer – and get the extras yourself for much less!

3) Don’t buy extended warranty

If you are not a computer “techie”, the extended warranties offered by the computer retailers often sound like a good idea. After all, who wants to be bothered paying for service on a computer after you buy it. But keep in mind that most computers come with a warranty, and most computer problems will either happen at the beginning (when you still have the warranty in effect) or much later (when it might be cheaper to buy a new computer). Technology changes very quickly these days. So consider whether or not it’s worth the inflated price of the extended warranty. And, if you really feel you need the extended warranty, then ask to purchase it at a lower price. Not all retailers will negotiate on the warranty, but some will. And whether you buy the extended warranty or not, make sure you back up all your files periodically, just in case!

If you have an unlimited budget, consider yourself lucky. And if you do business on the computer, make sure you get what you need, while trying to keep the price down. At any price, buying something that does not fit your needs is not a good deal.

Hope you find these tips helpful, and happy computer shopping!

How to download games on to your iPhone

Most Iphone owners have no idea that they have 2 options if they want to use their Iphone to play games. The first option is to use the inbuilt web browser to play some internet based java games. These can be great fun and get ever more advanced as technology and programming techniques advance. The other option is to actually download games onto the Iphone itself. We’re going to explore both within this article.

Playing java games using the browser can really be a lot of fun, and is pretty convenient too, as there is no download needed or anything, so it’s usually a case of just accessing the right web-page and going from there. On the downside though, you can only play such games if you are in an appropriate service area for your Iphone. If the phone can’t get the internet signal at the quality it needs, the java games will be innaccessible. This is pretty frustrating, especially if you are on the move or your connection just disappears for no reasons, as sometimes happens with cellphones.

The other option, downloading the games themselves, is a little more complicated. It’s not currently possible to download anything directly onto the Iphone using its own internet connection, so you will need to use a computer and an internet connection to download and then transfer the files to the Iphone.

The toughest thing about downloading the games like this is knowing where to get them from. There are thousands of sites all over the net claiming to offer free Iphone downloads of this or that, but if you’ve spent any time already looking you’ll know that most of these sites are nowhere near as good as they first seem. Many people get their downloads from online file sharing sites, the kind which are sometimes in the news for copyright infringements, and these sites are illegal to use. If you download stuff from these guys you are breaking the law, and it’s getting easier and easier for the law to see who is downloading what.

On the other hand, they aren’t only illegal, they can be very damaging to your computer-most sites like this have no government over who uploads what, so you can find yourself downloading the latest game only to find that it’s really the latest virus and your computer has just turned into an $800 hunk of irrepairable junk.

Thankfully, during the personal electronics boom of the last couple of years, a few sites have emerged which can offer you unlimited downloads of pretty much anything you may want, and for a pretty good price too.

Many of these sites offer you a membership for around the $30 to $50 mark, which seems steep, but when you take into account it provides you with unlimited downloads, in most cases for life, it soon looks like more of a bargain.

Also, sites like this are a whole lot safer than the file sharing sites many people use, as they use the administration fees to regulate what they have uploaded etc, so sites like this are definitely preferable.

Hopefully this article has shown you a little about downloading games for your Iphone, and you can now get games safely for your Iphone.

5 Reasons To Purchase Desktop Computers

If you are in the market for a computer, there are a number of factors to consider.  Will it be used for your home, your office or perhaps even your home office combo?  First off, you will need to set a budget for your new purchase before deciding whether to shop for notebook or desktop computers.  Many offices use desktop computers because they are not intended to be moved around a lot.  In addition, affordability often plays a large role in someone’s decision as to whether to purchase notebook or desktop computers.

While you are shopping around, it’s important to keep in mind some of the benefits that go along with owning different types of computers.  To that end, this article provides five important reasons to purchase desktop computers.

– Desktop computers are typically much more affordable than notebook computers.  With notebooks, you are paying more for the convenience of portability.  For as little as $299.00, desktop computers can be purchased from one of the leading manufacturers and a notebook computer for as little as $499.00.
– Unlike notebook computers, replacing a keyboard, mouse, speakers or even a monitor does not require having your computer serviced by a professional repair shop.  Because notebook computers have everything built in, including the aforementioned features, it is more difficult to replace a keyboard or monitor as opposed to desktop computers, which operate on external connections.

– In the event of an unlawful entry into your home, desktop computers are not as likely to be stolen because of their weight and bulk.  Notebook computers, on the other hand, are small and portable.  This, alone, makes them more appealing to a thief than desktop computers.

– Desktop computers are stationary by nature.  Unlike a notebook computer, which can easily be moved from room to room, they are less likely to be dropped or broken because they are not moved as often.

– The vents on desktop computers are located on the back of the tower, which allows for proper ventilation that will help to prevent the computer from overheating.  Notebook computers, on the other hand, feature only one vent on the back with the remaining underneath the base.  If placed on a table, the air vents can become blocked and the computer may overheat.  If prolonged use leads to overheating, damage may result.

When choosing from the many desktop computers on the market, always make sure that you purchase from a manufacturer who has experience in creating computers.  Even though they are more affordable than notebooks, desktop computers are not cheap.  With an investment that involves several hundred dollars, you will want to consider the length of time the manufacturer has been in business, their reputation with customers and their warranty.

Additionally, when choosing any system, including desktop computers, always look at the potential for future upgrading.  As you grow, you will want your computer to grow with you and a part of that will include a slight upgrade from time to time.  This is the only way to get the best use of your desktop computers and make sure that your investment is one that lasts for years to come.

A Brief History Of Video Games

Video games have become a billion dollar industry. They represent both a pastime and a hobby for both adults and children. Retailers have exploited the popularity of video games and now clubs, magazines, conventions and other social events are all offered with a video game theme. T-shirts, backpacks, lunchboxes, and sweatshirts all come printed with video game logos. These are mostly unnecessary, since video game players have uncanny, radar like ability to find each other at parties and turn the conversation into a discussion of video game techniques, graphics, and sound effects.

But it’s good to know origins just as a film devotee needs to understand what made Citizen Kane so special, avid video game players may want to know what games were popular in the past.

Many video game authorities (don’t you wonder what they’re like?) cite Spaceman as being the first video game. It appeared in 1964 and was developed by a lone student programmer. Spaceman was a comparatively simple game that pitted two players against each other and armed them with a pair of classic sci-fi rocket ships complete with tiny missiles. The computer mouse controls were limited to thrust, rotate right and rotate left. The game featured an unpredictable hyperspace panic button for emergency situations, but the use of this panic button could have all sorts of effects, some desirable and some not. All action took place on a single screen that featured a sun that exerted a powerful gravitation pull on the combatants. Most players steered clear of this but some intrepid players were able to use the sun’s attraction as an asset.

Although it came along in 1972, most people believe that Pong was the first video game developed. Pong’ was composed of simple black-and-white visuals, and play consisted of simple back-and-forth table tennis like movements.

Pac Man is probably the most widely known and popular video game of all time. Japanese designed in 1980 in an attempt at a game that would interest girls.

Evidently they decided that eating was something girls enjoyed because they designed a character that looked like a circle with a chomping, wedge-shaped mouth. Pac man was simply a hungry yellow creature who lived in a maze that it proceeded to eat its way through. However, foes 4 colorful globby ghosts lived in this maze as well who existed solely to end Pac Man’s career as an eating machine.

Doom came along in 1994 and engaged the game player in an ultra-violent, blood-soaked battle against the forces of Hell. The game has a sort of amorphic quality since it did nothing to define or represent a hero. The player takes the active role and he is thrown into the middle of the action, with a health indicator at the screen bottom to indicate the games’ progression.

Since then, many video games have been developed to follow this course of blood spilling games with increasing levels of violence. But in 2000, video games turn a surprise u-turn when The Sims came out. Here the game consisted of a sort of Lego virtual reality where the player could build and furnish his or her home. It appealed to the nesting instinct and players created ongoing sagas that revolved around decorating their virtual homes and raising children. The Sims is a wish fulfillment vehicle where the player can create an ideal life and forget his own. It is rumoured that a second version of the game is planned wherein the Sims and their neighborhood cope with falling real estate values when the characters from Desperate Housewives move in.

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Best Passwords

No sane person would ever like someone else reading her email. Or for that matter some other person using her password and breaking into a financial institution. You should, therefore, choose a strong, secure password in such a manner that would be a hard nut to crack for others and easy for you to remember. The more random and mixed-up you make it, the harder it is for others to crack. Mind you, if your password is compromised, the password crackers will even take over your identity.

A password, if too short, is vulnerable to attack if an attacker gets hold of the cryptographic hash of the password. Present-day computers are fast enough to try all alphabetic passwords shorter than seven characters. We can call a password weak if it is short or is a default, or which can be rapidly guessed by searching a subset of all possible passwords such as words in the dictionary, proper names, words based on the user name or common variations on these themes.

On the other hand, a strong password would be sufficiently long, random, or which can be produced only by the user who chose it, so that ‘guessing’ for it will require too long a time.

For maximum security, the user should follow some simple guidelines:

1) Passwords should preferably be at least 8 characters long and not more than 14.

2) Passwords should contain a mix of numbers, letters, and special characters (%&3ac_ht4@m7).

3) Passwords should not contain a dictionary word from any dictionary, be it French, Spanish, medical, etc.

4) Each password should be different from the user’s User-ID and any permutation of that User-ID.

5) New passwords and old passwords should differ by at least 3 characters.

6) Avoid picking names or nicknames of people, pets, or places, or personal information that can be easily found out, such as your birthday, address etc.

7) It’s wise to stay away from common keyboard sequences, such as dfgh678 or abc345 .

8) Never form a password by appending a digit to a word. That can be easily guessed.

9) Avoid writing your password down or storing it on your computer.

10) Never share your password with anyone else.

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5 Tips for Buying a Laptop

Buying a laptop is a major investment decision. As such it is not one that you should make lightly. Below are 5 tips that will help prepare you for making the best and most well informed decision when buying a laptop.

Tip #1 Size Matters

Buying a laptop is a matter that requires some thought. Consider the size and weight of the laptop. How often will you be carrying your laptop? Your answer will help determine which size and weight will best suit your needs. If you will be carrying your laptop frequently, a lighter model will be preferable.

The keyboard is another area to consider when buying a laptop. Why is the size of the keyboard important? A larger laptop will have a slightly larger keyboard area. But keep in mind that if you worry about your fingers or wrists taking on too much stress from typing on a keyboard that is too small, you may want this to be a main factor in your purchasing decision,

Tip #2 Choose Your Mouse

A laptop it will come with a built in touch pad, an alternative to the mouse, whereby the pad is controlled by the user’s finger movement. For some people, this type of pad is uncomfortable and not easy to work with. Before purchasing a laptop, determine what mouse options are available. Test each one and determine which one best meets your needs.

Tip #3 Wireless Options

Today, when many people think laptop, they think “wireless”. No doubt people want to make sure that their laptop computer will be able to access the Internet with a wireless connection. Many try to account for this by ensuring that their laptop has potential upgrade options, such as room for an expandable PC card or a USB port. However, since so many laptop users are looking for wireless connections, many of today’s laptops come pre-wired for wireless Internet. All you need to do is activate your wireless Internet service, and your laptop will take it from there. So depending on your needs, choose your laptop whether it is capable of expanding or if it is already configured for wireless Internet.

Tip #4 Check for Ports

Peripheral equipment will be connected to your laptop through USB ports. You will make your life much less complicated by ensuring that your laptop has adequate ports. Connecting equipment such as printers, scanners, and digital cameras will be much simpler if you have the ports readily available. If you are not sure, thoroughly read the specs for any laptop that you are considering purchasing.

Tip #5 Check Your Budget First

Finally, when buying a laptop, beware that you do not overspend. First create your budget and stick to it. When you think that you have found the laptop that you want, do not rush into it. Wait a day and check over your budget, requirements, and see if you are still as excited about the laptop in the morning, as you were when the sales clerk was showing off its specs. If you still feel that it is the laptop that you want to purchase, then go for it.

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