Botnet is collection of malicious software programs or robots, or bots, that run autonomously and automatically without knowledge of the user on the machine. Which will give the control to the bot creator called botheader/ botmaster, where the botheader will use the compromised system for the malicious purposes without users knowledgeRead More About Botnet...
A brain-computer interface uses electrophysiological signals to control remote devices. Most current BCIs are not invasive. They consist of electrodes applied to the scalp of an individual or worn in an electrode cap such as the one shown in 1-1 (Left). These electrodes pick up the brain?s electrical activity (at the microvolt level) and carry it into amplifiers such as the ones shown in 1-1 (Right). Read More About Brain-Computer Interface...
The B-tree structure is the standard organization for indexes in a database system. There are several variations of the B-tree, the most well known being the B*-tree and the B+-tree. The B-tree guarantees at least 50% storage utilization, that is, at any given time, the tree has each of its nodes at least 50% full. The B+-tree is a slightly different data structure, which in addition to indexed access, also allows sequential data processing and stores all data in the lowest level of the tree.Read More About B Tree...
Most of us won't like the idea of implanting a biochip in our body that identifies us uniquely and can be used to track our location. That would be a major loss of privacy. But there is a flip side to this! Such biochips could help agencies to locate lost children, downed soldiers and wandering Alzheimer's patients. The human body is the next big target of chipmakers. It won?t be long before biochip implants will come to the rescue of sick, or those who are handicapped in someway. Large amount of money and research has already gone into this area of technology.Read More About Bio Chip...
Electronic ink is an upcoming technology that could even replace paper in the far future. Although revolutionary in concept, electronic ink is a straightforward fusion of chemistry, physics and electronics to create this new material. The principal components of electronic ink are millions of tiny microcapsules, about the diameter of a human hair. Read More...
Wouldn?t you love to replace password based access control to avoid having to reset forgotten password and worry about the intergrity of your system? Wouldn?t you like to rest secure in comfort that your healthcare system does not merely on your social security number as proof of your identity for granting access to your medical records? Read More...
The demand for making air traveling more 'pleasant, secure and productive for passengers is one of the winning factors for airlines and aircraft industry. Current trends are towards high data rate communication services, in particular Internet applications. In an aeronautical scenario global coverage is essential for providing continuous service. Read More...
We read in newspapers that a doctor had successfully transplanted a cardiac pacemaker in his patient's chest by sitting around 200kilometres away. Also we know about driverless cars that could take us to the destiny by using its inbuilt navigation systems. Embedded microprocessors or micro controllers are the brain behind these. Read More...
BIOMETRICS refers to the automatic identification of a person based on his physiological / behavioral characteristics. This method of identification is preferred for various reasons;the person to be identified is required to be physically present at the point of identification; identification based on biometric techniques obviates the need to remember a password or carry a token.Read More About Biometric Technology...
It seems that everything we access today is under lock and key. Even the devices we use are protected by passwords. It can be frustrating trying to keep with all of the passwords and keys needed to access any door or computer program. Read More About Java Ring...
According to the dictionary guidance is the ?process of guiding the path of an object towards a given point, which in general may be moving?. The process of guidance is based on the position and velocity if the target relative to the guided object. Read More...
The MiniDisc system was introduced in the consumer audio market as a new digital audio playback and recording system. The introduction time was just ten years after the introduction of the Compact Disc (CD). As is known, CD has effectively replaced the vinyl LP records in the audio disc market. Read More...
Imagine a time when your mobile will be your virtual assistant and will need far more than the 8k and 16k memory that it has today, or a world where laptops require gigabytes of memory because of the impact of convergence on the very nature of computing. Read More...
Linux Virtual Server (LVS) is an open source technology which can be used to construct a scalable and highly available server using a collection of real servers. The Linux Virtual Server Project (LVS) allows load balancing of networked services such as web and mail servers using Layer 4 Switching. Read More...
The Wireless Markup Language (WML) is the HTML of WAP browsers and is transmitted via the HTTP protocol. WML is a markup language built specifically for communicating across WAP-based networks, and is based upon XML (eXtensible Markup Language). Like HDML, it is at first glance similar to HTML, but is also a much more strictly written language. Read More...
Air powered cars runs on compressed air instead of gasoline. This car is powered by a two cylinder compressed engine. This engine can run either on compressed air alone or act as an IC ?engine. Compressed air is stored in glass or fiber tanks at a pressure of 4351 psi. Read More...
Considering the increase in population, increased travel demand and narrow road networks running through congested structures, there is a need of a system which will occupy less space as well as reduce travel time. Read More...
The term ?Cryogenics? originates from Greek word which means creation or production by means of cold. As prices for energy and raw materials rise and concern for the environment makes?safe waste disposal difficult and Costly, resource recovery becomes a vital matter for today?s business. Read More...
Everyday radios, newspapers, televisions and the internet warn us of energy exhaustion, atmospheric pollution and hostile climatic conditions. After few hundred years of industrial?development, we are facing these global problems while at the same time we maintain a high standard of living. The most important problem we are faced with is whether we should continue ?developing? or??die?. Read More...
Pick up any newspaper today and it is a safe bet that you will find an article somewhere relating to mobile communications. If it is not in the technology section it will almost certainly be in the business section and relate to the increasing share prices of operators or equipment manufacturers, or acquisitions and take-overs thereof. Such is the pervasiveness of mobile communications that it is affecting virtually everyone?s life and has become a major political topic and a significant contributor to national gross domestic product (GDP). Read More About 3G vs WiFi ...
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