Engineering Concepts Tutorials

Engineering Concepts Tutorials for UML, Operations Research, Numerical Methods and many more.
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WAP stands for Wireless Application Protocol, a secure specification that allows users to access information instantly via handheld wireless devices such as mobile phones, pagers, two-way radios, smartphones and communicators. The idea comes from the wireless industry, from companies such as...
So, what is a cipher anyway? A cipher is an algorithm or set of algorithms that systematically convert a sender's intended message text to what appears to be meaningless text, which can be converted back to the sender's original message only by authorized recipients. The following terms and...
The term Web services describe a standardized way of integrating Web-based applications. Web services technology represents an important way for businesses to communicate with each other and with clients as well. It is a truly distributed computing model in which applications talk to one another....
Routing and switching can be two terms that are difficult to differentiate, so here is a simple explanation that may help to clarify things. First of all switching and routing are not the same thing. Switching involves moving packets between devices on the same network. Conversely, routing involves...
Hard Drives are one of the most important parts on your computer. They are also one of the most expensive. All hard drives share a basic structure and are composed of the same physical features. However, not all hard drives perform the same way, as the quality of the parts of the hard drive will...
Q: What are the seven layers of the OSI model? A: The layers are physical, data link, network, transport, session, presentation, and application layers. Q: In the TCP client-servel model, how does the three-way handshake work in opening connection? A: The client first sends a...
Direct Attached Storage (DAS) Today, greater than 95% of all computer storage devices such as disk drives, disk arrays and RAID systems are directly attached to a client computer through various adapters with standardized software protocols such as SCSI, Fibre Channel and others. This type of...
Introduction Multithreading is a concept where a program is broken into two or more parts called threads and all these threads run in parallel. Multithreading can make programs more responsive and effective and it increases its performance too. For example, today web pages need to display...
Cyclomatic Complexity its a type of white box testing for Structural testing use under reference of code complexity. Facts about why White Box Testing? Most programe coding represents what the program actually dose and not what intended to do. It minimizes delay between defect injection...