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Guide to buying the perfect PC

by: Dee Kerr

PCs have become a staple in every home. Without PCs, you will find it hard to stay connected and to even do the work required of you in school or in the office. With so much PC packages being shoved to our throat every time we go to department stores and computer shops, you�ll really get quite confused on what you really need and what PC package will fit your budget and lifestyle. To help you through this dilemma, here is a brief backgrounder of the parts of PCs that you should get to know.

Processor.
This is one of the three primary components of your PC. The processor is the part that determines how fast your computer process information. Intel is still the leading brand in processors but competitors such as American Micro Devices (AMD) are slowly catching up, offering cheaper alternative. In shopping for a processor, one should consider the following:

Clock speed � this will show the number of instructions that a computer can execute in a second. This usually comes after the brand name. Processors nowadays are already set at the gigahertz range.

Cache memory � this stores the data that were previously accessed. This simplifies the work of the computer as it would not take twice as long to access information already stored in memory bank. Without a cache memory, much of the work will fall on the RAM (Random Access Memory).

Operating temperature � some processors easily heats up. Before buying, make sure that you have asked about the operating temperature just in case you need to buy additional fans or put the computer in an air-conditioned room.

RAM (Random Access Memory).
RAM serves as the temporary memory of the PC, containing information that are needed for the computer and the programs to function. In addition to processors, RAM also determines the speed of the computer. The higher the RAM, the faster the computer is in accessing information and responding to commands.

Motherboard
This is where all the parts of the PC�s CPU (Central Processing Unit) are attached. Some motherboards already have videocards and soundcards embedded on it while others don�t. what is important however is to choose a motherboard that is compatible with your RAM and processor. Incompatibility of PC hardware can cause major problems and may even lead to the breakdown of your computer.

Hard drive.
This is the part where you store all the information in your PC. Picture a floppy disk with much much larger storing capacity. The hard drive serves as the permanent memory of your computer. Here you install all your programs and save all the documents that you need. It is also important that you buy a hard drive with really big capacity especially now when people are so used to storing multimedia files that may use up a lot of hard drive space.

Video cards
This is the part of the computer which determines the quality of the multimedia images that you will view. The higher the memory of the video card, the better is the picture quality and the colors. Also, video cards are also responsible for how fast multimedia images are accessed. This is especially needed if you use your computer for multimedia activities such as watching a movie or playing video games.

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How Video can be used Effectively Online

A powerful way to convey your communication messages to your audience is to be able to have your promotional video available on your website.

Yet, we have probably all experienced visiting a website and clicking on a video only to have to been irritated that the content is not viewable or that the sound is inaudible. The result is we leave the website in frustration.

So how do you make sure the video content on your website can be watched by your audience? It all boils down to how you want your viewers to access your video file and the level of video quality you want your movie to be played at.

There are two different ways of sharing your video file on the web:

1. Streamable Video

This is where the viewer is able to download sections of your video (otherwise known as "streaming"), while the video is playing. The main benefit of this method is that the user does not have to spend time downloading the complete video before viewing.

There are three major streaming video formats ? RealVideo (RM), QuickTime (MOV) and Windows Media (WMV). These are playable on Real Player, QuickTime Player and Windows Media Player respectively. Windows Media Player is widely available on most PC's, as it is part of Windows Operating System. The other players need to be installed.

The only negative with streamable video is that the quality of the video is dependent upon Internet connection. In addition, it has the annoying habit of dropping video frames because the streaming software has to adjust the data rate based on the speed of your Internet connection, in order to keep playing the video.

2. Download and Play

This is where the viewer needs to download the entire video first, then play it on their video player application. The main advantage is that the video quality is not affected by Internet connection speed.

However, it can take some time for the video to download if the file is large.

So which format do you choose?

In a world where first impressions always count, it is extremely important for companies to appear professional and trustworthy at all times. Marketing videos with poor picture quality are likely to reflect a poor quality company in the mind of the viewer. Consequently, we always recommend the download and play option. This is because it allows for high quality video content to be viewed.

However, as you don't want viewers to give up on downloading your video, we only recommend that short video clips are inserted onto your website.

This means your website users will be able to download a short video at a high quality picture resolution that will portray your company in the best possible way.

Marie-Claire Ross is one of the partners of Digicast. Digicast works with organisations who are not satisfied that their marketing and training materials are helping their business grow. She can be contacted on 0500 800 234 (Australia wide) or at mc@digicast.com.au. The website is at http://www.digicast.com.au.

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How Video can be used Effectively Online