Without the need of an infrastructure and being low-cost, auto-managed, flexible low power consumer, wireless communication is becoming emerging technology. It shows great binder for present as well as future hi-tech applications. Increasing reliance on wireless communication also brings great challenges to the security measures & other correlated issues. In many cases, the mobility of nodes and infrastructure less topology made wireless network more attractive but at the same time this...

OPC Unified Architecture, with its core technology and architecture, introduces many new and improved possibilities of implementation compared to Classic OPC. The UA stack is described in detail followed by an introduction to the different UA stack variants for the different programming languages and target platforms. The implementation of UA components based on the UA stack is also elaborated. The combination of OPC Classic and OPC UA supports portability and embedding in target systems with...

Cancer is a common disease today that has affected and consumed many lives. It is marked by uncontrolled growth of body cells that would result in tumor formation and sometimes invasion into other body parts. Presently cancer is being treated with Chemotherapy or Radiotherapy other than operations. But all these techniques have severe side effects. In the effort of finding a better medicine for cancer, scientists are trying to make use of a fundamental biochemical property of cancer cells...

When you are using IIS to serve web pages what normally happens is you need to have all files which will be accessible over HTTP in the www root folder of the server. What a virtual directory will do is enable you to give the impression that a file is in a certain place on the server, when infact it could be somewhere else on the machines hard disk or on another networked system. When creating a site suppose actual pages are stored in F:Sitev2Beta but with the help of virtual directory one...

Different graphics file formats and their uses Each graphics file formats is a way of organising and saving image into computer system, each file format uses different structure that can be recognised by a program/software it was originally created, so it knows how to show graphics on the computer screen, how to print it, edit it and so on. The native file format is default file format used by specific applications; it enables users to save graphics on any steps for future editing within the...

The application of computer aided design, CAD, and information technology, IT, continues to grow in architectural design. Developments in new information technology have provided architects to extend the realm of architectural design. The late 1980's architectural design overcame an important transition with the introduction of CAD in which computers were introduced to become a key aspect of architecture, not only in professional practice but also in architectural education. Many architects...

Work from a Clean Desk: work from a clean Desk is a lot of benefits. You must more organize to use Organize Techniques it has lot of benefits with this system. So always able to fulfill security and Confidential requirements. Your are working on there are desk full of papers and papers you are not working on and few of books and magazines and dozens of pens and cups and post it and cables. Do you think it is a sign of creativity or imagination? You are either too lazy to clean it up or you...

Nowadays, manually handling patient information could be very troublesome. However, most of the medical centres in Malaysia such as clinics are still falling behind in technology era. Manual system in handling patient's information and records are yet a common issue in most of the clinic in Malaysia. Using the conventional way to handling patient records would reduce the effectiveness and efficiency of a clinics operation significantly. In a manual system clinic, patients would need to register...

The 4G mobile networks will surely convert the current mobile phone networks, in to point to point IP based networks through which every device in the world will have a unique IP address, which will allow communications from a mobile device to the core of the internet which is IP based, and back to the mobile device. If 4G is implemented correctly, worldwide interoperability, high speed connectivity, and transparent end user performance on every mobile communications device in the world can...

A Computer System Basically refers to a system which includes the Computer, Software and the Peripheral devices which are needed for the computer to function. However the needs among different types of users differ. For example a Basic Computer System cannot run with the computer alone, it will need a system software like an operating system and Peripheral devices such as a mouse,keyboard and monitor. Furthermore, depending on the needs of the user neccasary additions could be made to the basic...