What is Blu-ray Disc?

A blu-ray Disc (BD) is an optical disc which is next in-line to replace DVD as a data storage medium.It may also be regarded as a next generation of optical disc after DVD.Physically,it is a plastic optical disc having the same size as that of a dvd and a CD.However its data storage capacity is stupendously higher than that of a CD and a dvd.Physically a standard blu-ray disc is 12cm in diameter while a mini blu-ray disc is 8cm in diameter.A blu-ray disc may be single layered or dual layered.A standard blu-ray disc contains 25GBs of data storage capacity in a single layer.So, a dual layered blu-ray disc has a data storage capacity of 50GBs.A mini blu-ray Disc has a data storage capacity of 7.5GBs in a single layer.

Tips on buying an LCD TV

Flat panel televisions are gaining popularity with consumers at such a rapid pace that flat panel televisions have almost phased out old CRT TVs.with the passage of time, as the popularity of lcd flat panel televisions is growing with the consumers, their prices are fast delcining and their quality is improving simultaneously,every body desires to replace his old CRT TV set with flat panel lcd television.Flat panel lcd television looks very desireable,however,befor youre decide to buy a flat panel lcd television,there are certain parameters and technical specifications that you must consider. 

Here are a few tips that may be helpful to you in buying a flat panel lcd television:

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Tips on buying a handycam

Technology especially electronics is advancing at such a stupendous pace that electronics products for everyday use like mobile phones, TV and computers etc., that are nowadays available in market, are equipped with so many features and qualities that a common man, while making a purchase of an electronics product, simply feels overwhelmed by the choices and options available in the market. In this regard a video camera usually known as handycam, available in market, is equipped with so many features and functions that it really big purchase to make. So while buying a handycam you should thoroughly explore all the options available in the market and you should do comprehensive research in this regard, otherwise a decision taken in haste in this regard may prove to be counterproductive for you. Unlike a DVD player and an LCD TV, where only a few technical parameters are sufficient to consider, there are so many technical specifications and features you should consider while buying a handycam that it is strongly recommended to do your homework while making a decision to buy a handycam.Here are some important tips on buying a handycam.

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Tips on buying a potable DVD Player

Technology,especially electronics and computer technology, evolves so fast and at such an enormous pace that the electronics products that were being commonly used a few years back have now become completely obsolete.This holds true especially in the case of audio and video players.Just a few years back people used to have VHS tapes and VHS players for watching movies on TV,but now we see that dvd and dvd player have taken the place of VHS tape and VHS player.VHS tapes have become almost obsolete now.Further development in this regard is that Blue Ray Disc is next in line to take place of dvd.No wonder the DVDs may become obsolete after about a couple of years.So it is highly advisable to do some research and maket survey before you actually decide to buy some electronics or computer related product otherwise lest you should regret after making a purchase.

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Embedded Systems

There may be many deifinitions of an embedded system.In general an embedded system may be regarded as a dedicated single purpose computer system which is  a combination of hardware and software and is  designed and developed to perform only one or a few pre-defined tasks usually with real-time computing constraints and often with little or no input from the user.It is a specialized computer system which is a part of a larger system or machine it controls which usually includes hardware and mechanical parts.An embedded system is quite different from a general purpose computer which is designed to be flexible enough to meet a wide range of end-user requirements.A general purpose computer, unlike an embedded system, may serve a lot of purposes like checking email,word processing,playing movie and internet surfing etc.Unlike a general purpose computer, an embedded system is designed and programmed to perform only one or a few specific tasks.It is a microprocessor based system which is designed to control a function or a range of functions.An embedded system is not designed to be programmed by the end-user like a Personal Computer (PC) and usually it also lacks a generic user interface like a PC.However,if an embedded system is equipped with a keypad and an LCD like a security system or microwave oven etc.,the user may feed a few inputs to the embedded systems but even this I/O capability of an embedded system is usually quite limited as compared with a general pupose PC.

Things to consider when buying a laptop computer

Buying a laptop computer is not a child's play,especially when there is a hug variety of laptop computers available in the market.It is indeed a big purchase to make.Most of the people who use desktop computers are not much familiar with the features and options to concentrate on when it comes to buying a laptop computer.Computer vendors and dealers usually twist and exaggerate facts to entice the customers into buying their products.An average user who does not have a deep understanding of the technicalities of laptop computers may easily be overwhelmed by the features and options available in laptop computers that are advertised by the vendors.so an average user who is familiar with the use of desktop computers may easily end up buying a laptop computer which might prove to be a trash later on.Therefore it is suggested to do some research in this regard before you decide on buying a laptop computer.

Some essential features and parameters that you must concentrate on when buying a laptop computer,are discussed below:

Things to consider when buying a digital Camera

Buying a digital camera is not a child's play.It is indeed a difficult purchase to make especially when there are myriads of features and choices available in the digital cameras being sold in the market.If you are new to this area or if you are a first time buyer then you may easily get overwhelmed by the options available in this regard.So you must do some homework and  research to decide upon which digital camera is appropriate for you,lest you should regret after   purchasing the camera. Therefore,while buying a digital camera,it is suggested to keep in view the the following points:

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