As you can guess, hardwired computer systems are much faster than general-purpose ones because they are designed to do a single task. But when they fail, they need to be totally reconfigured. This can be just a costly problem in a lab on Earth, but it can be vital in space. This is why a University of Arizona (UA) team is working with NASA to design self-healing computer systems for spacecraft. The UA engineers are working on hybrid hardware/software systems using Field Programmable Gate Arrays (FPGAs) to develop these reconfigurable processing ....etc

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Definition
Since the development of the ENIGMA (the first digital computer), computers have inspired our imagination. In this period came the World War II code breaking machine designed by Alan Turing, and Von Neuman's ENIAC which can be called dinosaurs compared to present day PCs. In the earlier days, computers were so huge that it took an entire building, or at least a floor to occupy one. Computers of that era were very slow by today's standards. In the non-ending struggle to increase computing speed, it was found out that speed of electri ....etc

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Introduction:

One of the most fascinating aspects of technological innovation is the way it can transform not only the lives and practices of individuals and institutions, but also accepted ways of thinking about and evaluating those lives and practices. Simple examples are e-mail's effects on our ideas about about communication, computer networks' effects on our ideas about commerce and politics, and desktop computing's effect on our ideas about work. Indeed, for those who grow up after these transformations have taken place, the older la ....etc

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Definition
The history of computer technology has involved a sequence of changes from one type of physical realisation to another --- from gears to relays to valves to transistors to integrated circuits and so on. Today's advanced lithographic techniques can squeeze fraction of micron wide logic gates and wires onto the surface of silicon chips. Soon they will yield even smaller parts and inevitably reach a point where logic gates are so small that they are made out of only a handful of atoms; i.e. the size of the logic gates become comparable ....etc

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Wearable computers make possible useful deployment of technology in situations and environments which were previously impervious to technology.For instance, assembly and repair personnel often need to keep both hands free to perform a given task. Moreover, they often work in environments far from the typical office setting where mobility is essential. Immobile computers, such as desktops, are of little value in such environments, and portable solutions, such as laptop and handheld computers, are little better.Wearable computers, on the other ha ....etc

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Handheld Computers

Four years ago Palm created the first successful PDA. Today it holds an 80% share of the market for handheld computers. Its most serious competition is a family of devices from various vendors based on the Windows CE operating system. In some ways the competition between these two systems is reminiscent of the earlier Macintosh-Windows battle. Users become familiar with a device and develop strong preferences.The Palm OS was originally designed for a device with 512K of memory an ....etc

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A Wearable computers make possible useful deployment of technology in situations and environments which were previously impervious to technology.For instance, assembly and repair personnel often need to keep both hands free to perform a given task. Moreover, they often work in environments far from the typical office setting where mobility is essential. Immobile computers, such as desktops, are of little value in such environments, and portable solutions, such as laptop and handheld computers, are little better.Wearable computers, on the other ....etc

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PRACTICAL TRAINING AT
?SCOPE COMPUTERS ,JODHPUR?
On
AUTO CAD
INTRODUCTION OF AUTO-CAD

?Mastering Auto Cad was design to demonstrate commands in the text of every day activities that we encounter in our work.
?It shows what commands to be used in given condition.
?The AutoCAD instant references is the perfect companion to mastering AutoCAD for Mechanical Engineers.
?It also means that to include a photo ?graph in AutoCAD drawing.

COMMANDS USED IN AUTOCAD

?There are many commands which are used in AutoCAD drawing.
?Th ....etc

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Four years ago Palm created the first successful PDA. Today it holds an 80% share of the market for handheld computers. Its most serious competition is a family of devices from various vendors based on the Windows CE operating system. In some ways the competition between these two systems is reminiscent of the earlier Macintosh-Windows battle. Users become familiar with a device and develop strong preferences.

Operating System
The Palm OS was originally designed for a device with 512K of memory and no hard disk. Subsequent models doubled an ....etc

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Four years ago Palm created the first successful PDA. Today it holds an 80% share of the market for handheld computers. Its most serious competition is a family of devices from various vendors based on the Windows CE operating system. In some ways the competition between these two systems is reminiscent of the earlier Macintosh-Windows battle. Users become familiar with a device and develop strong preferences.

Operating System
The Palm OS was originally designed for a device with 512K of memory and no hard disk. Subsequent models doubled an ....etc

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