technology

How Information Technology Is Beneficial

Information Technology is associated with developing, studying and designing the information related to computers. These days, the IT sector is growing very fast, and this field has good opportunities in Education and Business Industries. In business the up-to-date changes in the global market can be easily identified with the development of IT sector. The key factor of using information technology is the hardware devices and software applications. In solving complicated mathematical problems this sector plays an important role.

The role of IT service in the education field is well-known. The quick access provided by this sector helps the teachers and the students in studying the course material without difficulty. The online libraries and dictionaries helped the students to study the subject easily and to increase their grasping power. The addition of information technology in schools, colleges and universities helped the students to understand the basics of each subject well. Nowadays, most of the educational centers started with the online grading system, which even helped the parents to monitor their children’s performance.

The importance of IT service in the management field is relatively significant. It helped the managers in adopting the new technologies and to foresee the possible influence of this technology. The managers can be benefited with the automatically stored the secret information and the effectively arranged computer packages. It gives the appropriate information in front of their computer screen with just a click on the mouse. Even if, one has to handle these software programs in an efficient way, they need to undergo some effective training in information technology.…

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Advantages And Disadvantages of Vector Images

The vector images are defined mathematically, based on their geometric characteristics. To be precise, a vector image is described by a set of geometric primitives that describe points, lines, curves, and polygons to which we can attribute colors and shades. They are radically different from raster images, which are described as a grid of properly colored pixels.

Advantages

1. In most cases, vector images will require lesser disk space than a bitmap. They are mostly formed by flat colors or simple gradients because of which they do not require a lot of disk space. Lesser the information to create the image, smaller is the file size. Thus, they are given more preference in comparison to other images.

2. Vector images do not lose quality when they are scaled. In principle, a vector image can be scaled indefinitely. In the case of matrix images, a point is reached where it is evident that the image is composed of pixels. Thus, the quality of vector images is superior to other forms of images.

3. They can be easily saved and modified in the future. The best part is that, the process of modification is quite simple as well. All kinds of changes can be easily managed without any difficulty. Even if a file is modified, the resultant file does not occupy a lot of space. This is another reason why they are used across industries.

4. The process of creating them is quite simple as well. In fact, using simple drawings we can get complex vector images without a lot of difficulty. Simple and user-friendly programs such as Macromedia Freehand, Corel Draw and Adobe Illustrator can be used for creating simple drawings, which can be converted to vector images.

Disadvantages

1. They are generally not suitable for encoding pictures or videos taken in the “real world” (for example – photographs of nature), although some formats support a mixed composition. Virtually all digital cameras store images in bitmap.

2. The data used to describe them must be processed by a powerful machine, i.e. the computer must be powerful enough to perform the necessary calculations for forming the final image. If the data volume is high it may slow down the rendering of the image on screen, even when working with small files.

3. Another disadvantage is that, even small drawing errors are often visible, when the images are enlarged to certain extent. Such an incident can affect the quality of the images, especially when they are used in the field of animation.

Despite the fact that vector images have a few disadvantages, they have a wide range of applications and are implemented in the fields of computer graphics, architecture and engineering etc.…

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Why Having a Glass Top Computer Desk Can Be a Great Idea

There are some people that will advise you to never have a glass top computer desk. They have seen the horror photos of when a glass desk collapses with the computer still on it, and I will agree those are some terrible looking pictures. Nobody wants one of their great looking desks to collapse and ruin basically everything. But those horror pictures are the exception to the rule; they are certainly not what normally occurs.

The most important thing you need to do when purchasing a glass top computer desk is spend a little extra money. If you buy the poorly designed and cheap ones, the metal frame and glass can separate and cause a major problem. That glass is also susceptible to chipping or cracking, and damaged glass is very weak glass. Proper maintenance on a well built glass desk can eliminate all of those problems, and if it is a more expensive model that is well built, you should not have any of those problems to begin with. So in short, spend a little extra money on a high quality product.

Now the biggest reason it can be a great idea to purchase this type of desk is because of the look it creates. If you really want that awesome looking, modern style desk, why would you not choose a glass top desk? This type of desk gives a very modern vibe, and the metal frame can often come in different colors making it easy to decorate with. If you want to impress people with a cool looking desk, this is one great way to do that.

Plus, in all honesty these desks are dependable, as long as you are smart and buy a quality product. Like anything else, if you buy low quality products you are going to get bad returns in the end. Like I stated above, if you take care of the glass, if you check for cracks and dings, and if you do not smash it with heavy objects on purpose, you should have no problems with the quality of your desk. Plus with the way they make them today, you are going to have plenty of room for your desktop computer, and still have plenty of work space available. These desks are very nice, and will make a great addition to your home.…

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Fix Zune Error 5

Zune is a portable media player published by Microsoft. Zune error 5 has been recently reported by many Internet users across the globe. With the instructions given in this article, we will discuss a few steps to troubleshoot this error.

Simple ways to solve Zune Error 5:

Reconnect the player with holding + button

Fix Zune Registry Entries.

Reinstall Zune from Device Manager

Update the Driver

Download Windows Updates

Clean Temporary Files and Objects

Reconnect the Player with Holding + Button

To fix Zune error 5, reconnect the Zune player with holding + button as shown below:

Disconnect Zune from your computer.

Turn it off.

Reconnect it to your computer with holding + button simultaneously. Be sure to hold it for the next 25 seconds as well.

Microsoft Windows will go into the recovery mode and revive the player. And Found New Hardware wizard will appear which you shall follow then.

Fix Zune Registry Entries

In many cases, the Zune media player is not properly installed on the user’s computer. The solution is simple: download a System Cleaner software and install it. Scan the registry and fix all the problems that are found by it.

Reinstall Zune from Device Manager

Incomplete Zune device installation may cause Zune error 5. Reinstall it from the Device Manager tool with the help of following guidelines:

Start.

Type Device Manager and press ENTER.

Find out Zune from the list of all the devices.

Right click it and select Uninstall option.

Disconnect and then reconnect Zune.

In the Device Manager, right click your computer

Clicker name and select Scan for Hardware Changes.

Install Zune when your computer detects it.

Update the Driver

Using Device Manger, update the Zune device driver to solve Zune error 5:

Open Device Manger.

Right click Zune and select Properties.

Click Driver tab.

Click Update Driver button to automatically search for latest drivers online and install them, if found.

Download Windows Updates

Downloading and installing the latest updates will help fixing Zune error 5. Use the Windows Update tool as shown below:

Click Start.

Click All Programs | Windows Update.

Click Check for Updates button and follow the instructions.

Clean Temporary Files and Objects

Deleting the temporary type of files and objects will help fixing Zune error 5. The required steps are as follows:

Click Start.

Click All Programs | Accessories | System Tools | Disk CleanUp.

Select a partition and press ENTER.

Follow any instructions that come on your screen.

Highly Recommended

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Why Do Viruses Slow Down Computers?

Most people have virus protection installed on their computers. This is a great thing! Many of the virus protection programs around today protect computers against spyware and adware and all other known types of malware as well as viruses. This, too, is a great thing!

The word malware is the quick substitute word for the term “malicious software.” It refers to any type of virus or spyware that can get into your computer. Some years ago, the only kind of malware we had to deal with were computer viruses. The job of a computer virus was always to annoy computer operators to one extent or another.

A Nuisance and a Threat

Some viruses were simply written as jokes. A computer geek may actually write such a script to entertain himself. On the other hand, the purpose of a computer virus may be to kill your computer forever! Even worse the goal of a virus might be to shut down a large network of computers. This would usually be referred to as cyber-terrorism.

Spyware are closely aligned with viruses. The subtle difference is a person who writes a virus is out to do your computer harm. A person who writes spyware is usually out to steal your passwords, banking account numbers and the like. If he does harm to your computer’s operating system while doing so; oh well.

Stealing Your Power

Viruses and spyware slow down computers because they use the computer’s resources to do whatever it is they are doing. They are computer programs. Like all computer programs, some of them run on XP, some on Windows Vista, etc.

Unlike normal programs, they don’t have an icon on your desktop so you can start it up if you chose to. Viruses run on their own terms. You don’t have an option to shut them down either. Many viruses replicate themselves. So, if one computer virus program steals some of your resources, 50 of them, which could be one virus that has replicated itself 50 times, might put you out of business altogether.

Ubiquitous Spyware

I’ve seen spyware make computers unusable as well. Spyware by itself doesn’t replicate itself. However, it is not unheard of to find a spyware-unprotected PC with more than 1,000 spyware infections. With this much spyware present on a hard drive, the operating system will have all it can do to try to accommodate them. In a situation like this, you probably wouldn’t be able to start any of you programs, like Word or IE, for instance.

The bottom line is viruses and spyware have the capability of keeping your operating system and microprocessor busy to the point you will not get any response from your computer or at best, a very slow response. So, it is very important to keep your computer free of these things. I recommend using a good virus protection program that cleans out all types of spyware as well.

It is also very wise to have a registry cleaner on hand as …

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Tweaks to Speed ​​Up Internet Streaming Video

The birth of "Guerilla Video" sites, such as Peekvid.com, Alluc.org and Youtube.com have given users instant access to a plethora of free media files. Although streaming video technology offers instant access to video files, zero loading time is not always possible. There are many factors that attribute to your computer's ability to start videos immediately. Other factors such as choppy PC video playback and slow video streaming also hinder your viewing experience. There are easy fixes to these problems. Sometimes choosing another site for the source of the video streaming or a lower quality version of the video can award you with instant play. These alternatives are not always available. However, there are a number of tweaks that help speed up your streaming video startup times, eliminate choppy PC video play and stop slow streaming video.

Before we start with the tweaks to speed up slow streaming video, lets get a basic understanding of streaming video technology in order to stop choppy video. Streaming video is a prerecorded video files that can be distributed as part of a live broadcast "feed." The video signal is converted into a compressed digital signal and transmitted from a Web server. This server is able to be multicast the same file to multiple users at the same time. When you click on the on video it is partially loaded before you can access it. This is known as "buffering". This helps you to load and play the video instantaneously. Now lets take a look on how to cut down on buffering time, stop slow streaming video and eliminate choppy PC video playback.

Common Streaming Video Problems

Problem # 1: Choppy PC Video Playback – Choppy video is typically a PC performance related issue. Here are a few things you can try to stop choppy playback and improve computer performance.

Solution A. Turn Off Hardware Acceleration-All media applications require different aspects of your computer's hardware. Depending on the task, the requirements may change. Turning off hardware acceleration allows the application to set the requirements itself and not be forced to use one universal setting. Hardware acceleration has been known to cause choppy PC playback, application crashes and slow streaming video problems.

You can eliminate the problem below:
1.Click on "Start"
2.Click "Control Panel"
3.Select the "Settings" tab and click on the "Advanced".
4.Click on the "Troubleshoot" tab.
5.Disable the hardware acceleration completely by dragging the slider to the extreme left.

Solution B. Turn off Video Acceleration-The reason for this tweak is the similar to hardware acceleration. This act frees up resources in your media player and not your hardware. However you will need to decrease video acceleration in your chosen player. Some sites like Youtube.com do not offer this option. However, Windows Media Player gives the ability to easily alter this problem, following the steps below. Other players' instructions will vary.

1. In Windows Media Player
2. Click the "Tools" menu tab
3. Click on "Options"
4. Select the "Performance" tab.
5. Move the Video …

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Audio-Visual Technology

Audio-visuals have been utilized for a long time to convey messages in company meetings, lectures and seminars, demos, stage acts and plays, business proposals, and the like. But the technology has been very basic compared with the technology available today.

Audio-visual technology is defined as the tools used to convey information. It employs the use of several inputs, such as videos or slides. Depending on the information you want to convey to your audience, there are a variety of applications that you can make use of, such as multimedia, lasers/holograms, DVDs and video imaging. Technology is mostly used in computer-based education, presentations and performances.

Learning More about Audio-Visual Technology

If you want to use audio-visuals in your reports and demos, you should know everything from designing a presentation to using various portals. Now, the best way to learn about these things is by reading manuals, books and other printed materials. Make sure that you get something that includes guidelines for easy reference. You can also browse the Internet about audio-visual technology for further knowledge.

There are many web sites about audio-visuals that include information and step-by-step guides in using different applications. There are also sites that can teach you how to create and design templates for your presentations. There are others that offer tips on how to successfully conduct meetings, proposals and demos.

Joining online forums that discuss audio-visual technology is another way to learn about them. Here, you can find reviews and opinions from users about audio-visual products and applications. You can also post questions about where to find the best products or services as well as how to use certain products.

Pros and Cons

Using audio-visual technology has great advantages. You can effectively convey the message to your audience with just a few clicks. Presentations can be made more exciting and lively. On the other hand, there are some disadvantages like light distractions, a larger power supply and specialized skills requirement. But overall, once you have learned all the important things, you can start making visually stunning presentations.…

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Parameters to Measure the Performance of Computer Monitors

A monitor, also known as display is basically an electronic visual display for computers. Three primary components of the device include a circuitry, enclosure and the display. As far as the display device is concerned, it is basically a thin film transistor liquid crystal display in most of the modern monitors. The monitors available in the past used a cathode ray tube.

The demand for these latest devices in the market is increasing with every changing day. To meet the requirements of the users, more and more brands have started launching user-friendly gadget furnished with innovative features and state-of-the-art technology. Some of the leading names in the domain of monitors include Panasonic, Samsung, Sony, etc. The gadgets introduced by these brands are known to offer an exceptional performance even home as well as office.

As far as the performance of the device concerned, it is measured by the following parameters:

Luminescence

The unit for measuring luminescence is Candelabrum per square meter.

Aspect ratio

It is another important parameter for measuring the performance of the gadget. It is defined as the ratio of horizontal length to the vertical length. The aspect ratio of the device can be 4:3, 5:4, 16:10 or 16:9.

Display resolution

It is defined as the number of distinct pixels occurring in every dimension, which can be displayed.

Refresh rate

It is defined as the number of times for which a display is illuminated in a second. The response time limits the maximum refresh rate.

Contrast ratio

It is defined as the ratio of the luminosity of the brightest color and the darkest color produced by the monitor.

Viewing angle

The maximum angle at which an individual can view the images on the monitor without the extreme deprivation to the image is called viewing angle. It is mainly measured in degrees vertically and horizontally.

These are some of the essential parameters to judge the performance of the gadget. The perfect medium to grab the best computer monitors is the internet. The medium proffers a vast collection of products available at cutthroat prices. In addition to this, customers can also enjoy exciting offers and deals on a wide range of products. The price comparison tools of several online shopping portals can also enable individuals to compare the price and feature list of a majority of products and brands. Apart from monitors, you can also find other electronics at one such store like mobile phones, all professional camcorders, digital cameras, etc.…

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Computer Monitors – Is Higher Resolution Better? Part 3

The Hidden Problem

Your monitor outputs the signal it receives to the best of its ability. Your computer outputs as many frames as it can. However, the cable that connects the two together is normally the cheapest piece of junk your monitor manufacturer could find. Even if you bought an aftermarket cable, unless you really did a lot of digging, aftermarket cables are also often really expensive and still pretty terrible.

Each frame is data, 30 frames at 1080p is a lot of data, 60 frames of 1080p is twice as much as 30 frames. Now in part 2 we learned that 4K is four times as many pixels well it is also four times as much data per frame. This can add up to huge amounts of data being sent down the cable connecting your monitor and gaming PC. Your cable is probably not up to the task of transferring 4K video much less supporting higher frame rates.

There are four major types of video cables used in gaming PC’s; VGA, DVI, HDMI, and DisplayPort.

VGA is a bare minimum cable incapable of supporting high frame rates and resolutions.

DVI is much more complex with multiple versions of the cable but only the latest versions of it are capable of supporting HD video and frame rates.

HDMI is the most popular type of video cable. It is most commonly found in just one type but there are different types of HDMI connectors but more problematic is that there are now three types of HDMI cables and there is no way to tell them apart. Standard HDMI can’t support HD video, High Speed HDMI can support HD video, and the new HDMI 2.1 or 48G cables can support resolutions up to 10K at 120hz.

DisplayPort is the newest type of cable and is growing rapidly in popularity especially in PC gaming. It has one type of cable and two types of connectors so it is much simpler than other HD capable options. It natively supports 4K video at 120hz.

Now at first glance it seems like you have three good options but hidden problem is that the manufacture of these cables is almost completely unregulated and meeting the minimum specs is the only requirement not the complete specification. So a High Speed HDMI cable may support 1080p but chances are it won’t support 4K because it’s not required to in order to be labelled High Speed. The same thing applies to DVI and DisplayPort cables. Don’t worry though! You don’t need to spend a fortune for cables either. In fact most expensive cables are still bad cables!

Just get your cables from Monoprice.com and you will get the highest quality cables with the highest data transmission rates I can even find for prices cheaper than most cheap cables you can find! I don’t work there I just hate bad cables.

What does this have to do with upgrading to a 4K monitor? You need to have the right cables for …

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Security Issues With Online Hotel And Ticket Booking Websites

The Internet has quietly revolutionized the world. It has made completion of tasks easy and fast, making us dependent on it heavily for almost every aspect of our life. One of the earliest revolutions took place in the banking industry, followed by the ticket booking services, after the US military made their ARPANET project public and allowed universities and businesses to take advantage of this wonderful technology.

Interestingly, computer and programming nerds create primitive web based ticket booking systems with the Java language, which is considered by many as the language of the internet. They do so for their academic projects in their schools and colleges and these applications are insignificant with respect to the commercial versions. However, the case was discussed to make the reader realize the popularity of theses internet based ticket booking applications.

Now, coming to the main point, online ticket booking and hotel reservation systems often provide the option of paying the required amount online, which is referred to as wire transfer in common man’s language. These websites use third party plug-ins through APIs, that integrates their website’s database with the bank’s computer systems and servers through a software-defined network device called the Payment Gateway.

Generally, these payment gateways are extremely secure environments that employ Secured Socket Layer or SSL algorithms, which can be 64 bit or 128 bit encryption algorithms, based on the requirement. 128 bit SSL algorithms are the most secure algorithms deployed in public domain for the purpose of securing fund transfer environments and encrypt the sensitive information with a highly secure process that is extremely difficult to crack by present standards.

The problem, or rather the loopholes lie with the internal data storage mechanisms deployed by the third party ticket booking websites. Sometimes, to reduce the cost associated with maintaining the security standards high, these websites do not take adequate measure to ensure that the payment related information are safe in their servers. It might also be the fact that their server or database administrators are not skilled enough to ensure stringent security measures are deployed.

It may happen that while no security breach takes place on part of your bank’s transfer system, security loopholes might exist in the hotel’s or the airline’s own website. If their servers are hacked and the data is appropriately mined by any expert hacker, your entire details regarding the financial transaction, including your credit card details, will be in front of the hacker.

The hacker can simply download or copy the information to some other system of his own and use the same to perform unauthorized transactions and fund transfers. Although banks deploy double-layered verification methods to mitigate such frauds, the process is far from being full-proof.

Thus, think twice before you trust third party hotel and ticket booking service. Even the best hotel booking service providers are vulnerable to such server attacks by cyber experts and they do very little to plug the loopholes in their systems and servers.…

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