Computer Science
Zigbee - A Wireless Protocol Used For Wireless Networking and Connectivity
Submitted by achuz on Tue, 02/22/2011 - 00:34.Keyword:
Zigbee
igbee is a wireless protocol used for wireless networking and connectivity. It is the recently emerged technology of network communication based on the IEEE 802.15.4 standards where IEEE stands for the institute of electrical and electronics engineers. Like Bluetooth is used for large packet user devices, such as laptops and phones, so in the same way zigbee is designed for connectivity between small packet devices.
What is Lexical analyzer ? Types of Tokens in Complier Design
Submitted by PremsankarC on Sat, 01/23/2010 - 06:54.Keyword:
Lexical analyzer,Complier Design
Lexical analyzer converts stream of input characters into a stream of tokens.The different tokens that our lexical analyzer identifies are as follows:
KEYWORDS:
int, char, float, double, if, for, while, else, switch, struct, printf, scanf, case, break, return, typedef, void
Tool Command Language - Introduction to TCL Syntax and Tools
Submitted by PremsankarC on Wed, 09/30/2009 - 09:28.Keyword:
Tool Command Language
TCL/TKs (Tool Command Language/Tool Kit) strength is that it is a small, interpreted, language that can be embedded, access graphics and system features, and is extensible. It also is multiplatform and has very wide support. It can be downloaded on the NET, and it runs TCL scripts for backend processing.
- TCL is a language, called the Tool Command Language. .
Top Wearable Computers Devices using Wearable Technology
Submitted by milan.varghese on Fri, 09/11/2009 - 04:50.Keyword:
Wearable Computers
With computing devices becoming smaller and smaller it is now possible for an individual to don such a device like a hat or jacket. It is clear that these technology will enable us to extent the desktop resources(including memory computation and communication) to anywhere in travel. Also this constant access, augmented by a battery of body mounted sensors will enable a computer to be sensitive to the activities in which we are engaged and thus allow the computer to participate in an active manner as we perform our tasks.
Introduction to Symbian OS
Submitted by ranjishor on Thu, 09/10/2009 - 14:05.Keyword:
Mobile os
Symbian OS is designed for the mobile phone environment. It addresses needs of mobile phones by providing a framework to handle low memory situations, a power management model, and a rich software layer implementing industry standards for communications, telephony and data rendering. Symbian OS puts no constraints on the integration of other peripheral hardware. This flexibility allows handset manufacturers to pursue innovative and original designs.
Holographic Data Storage -3D Optical Memories
Submitted by PremsankarC on Sun, 08/16/2009 - 04:54.Keyword:
Data Storage
Mass memory systems serve computer needs in both archival and backup needs. There exist numerous applications in both the commercial and military sectors that require data storage with huge capacity, high data rates and fast access. To address such needs 3-D optical memories have been proposed. Since the data are stored in volume, they are capable of much higher storage densities than
RAID - Redundant Array of Independent Disks
Submitted by milan.varghese on Sun, 08/16/2009 - 04:46.Keyword:
RAID
Information has become a commodity in today’s world, and protecting that information has become mission critical. The Internet has helped push this information age forward. Popular websites process so much information, that any type of slowdown or downtime can mean the loss of millions of dollars. Clearly, just a bunch of hard disks won’t be able to cut it anymore. So Redundant Array of Independent (or Inexpensive) Disks (RAID) was developed to increase the performance and reliability of data storage by spreading data across multiple drives.
Pervasive Computing - Environmental Intelligence of Computers
Submitted by PremsankarC on Sun, 08/16/2009 - 04:22.Keyword:
Pervasive computing
Pervasive computing refers to embedding computers and communication in our environment. Pervasive computing provides an attractive vision for the future of computing. The idea behind the pervasive computing is to make the computing power disappear in the environment, but will always be there whenever needed or in other words it means availability and invisibility. These invisible computers won’t have keyboards or screens, but will watch us, listen to us and interact with us.
Ovonic Unified Memory -Advanced Memory Technology
Submitted by Rajesh Menon on Sun, 08/16/2009 - 03:51.Keyword:
Ovonic Unified Memory
Ovonic unified memory (OUM) is an advanced memory technology that uses a chalcogenide alloy (GeSbTe).The alloy has two states: a high resistance amorphous state and a low resistance polycrystalline state. These states are used for the representation of reset and set states respectively. The performance and attributes of the memory make it an attractive alternative to flash memory and potentially competitive with the existing non volatile memory technology.
Key advantages of OUM
AOP - Aspect Oriented Programming
Submitted by PremsankarC on Sat, 08/08/2009 - 00:29.Keyword:
Programming
AOP is a new technology for separating the crosscutting concerns into single units called aspects.An aspect is a code unit similar to a class in OOP that encapsulates pointcuts,advice and attributes.An advice is the additional code that is applied to existing model.Pointcut is the term given to point of execution in the application at which crosscutting concerns need to be applied.Crosscutting concerns are concerns that cut across many modules in a program.An example is logging.Seperati
Reconfigurable Computing
Submitted by PremsankarC on Wed, 07/29/2009 - 10:34.Keyword:
microprocessor
A reconfigurable processor is a microprocessor with erasable hardware that can rewire itself dynamically. This allows the chip to adapt effectively to the programming tasks demanded by the particular software they are interfacing with at any given time . This is an emerging field that blurs the traditional boundaries between hardware and software.
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Mesh Radio - New Generation Wireless Networks
Submitted by PremsankarC on Thu, 07/23/2009 - 04:48.What is Applications of Zigbee
Submitted by Sajith on Sat, 05/16/2009 - 01:56.Keyword:
Zigbee
ZigBee is the most popular industry wireless mesh networking standard
for connecting sensors,instrumentation and control systems.ZigBee provides several benefits just because it is an industry standard supported by multiple solution providers.ZigBee solutions are
for connecting sensors,instrumentation and control systems.ZigBee provides several benefits just because it is an industry standard supported by multiple solution providers.ZigBee solutions are
Zigbee – An Emerging Technology for Future
Submitted by Sajith on Sat, 05/16/2009 - 01:43.Keyword:
Zigbee
This paper presents the feature analysis of zigbee technology based on IEEE 802.15.4 standard. . Due to characteristics such as low data rate, low price, and low power consumption, ZigBee is expected to be used in wireless sensor networks for remote monitoring, home control, and industrial automation.
Seminar Topic - Adding intelligence to internet using satellite
Submitted by arun mr on Sat, 04/18/2009 - 10:32.Keyword:
Seminar Topic
Satellites have been used for years to provide communication network links. Historically, the use of satellites in the Internet can be divided into two generations. In the first generation, satellites were simply used to provide commodity links (e.g., T1) between countries. Internet Protocol (IP) routers were attached to the link endpoints to use the links as single-hop alternatives to multiple terrestrial hops.
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