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Nano technology

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Carbon nano tube is one of the most emerging technology which is to replace CMOS .  Using Carbon nano tube it is possible to make which is much smaller than present device. The power consumption is picco watt, switching energy is nano watt and the most importent is it is cost effective.

               Using Carbon nanotube we can design a FET transistor which will be an alternative of MOSFET. CN FET contains a Carbon tube which forms a channel between drain and source. This tube allow  the transportation of carrier between the electrode. The electric potential applied on the gate terminal cintrols the flow of carrier. One of the most attractive feature of  Carbon nano device is conversion of N to P or P to N device, it not possible only from  dopping but also from the electric field. On the application of suitable electric field the same device will act as N / P polarity device.

 

 

Apple iPhone contains hazardous substances

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Based on the analysis performed by an independent laboratory unveiled the iPhone, the new Apple phone, it contains substances hazardous to health and the environment.

A scientific laboratory has analyzed 18 of the external and internal components iPhone and confirmed the presence of brominated compounds in half the samples, including antenna, which constitutes 10% of the total weight of the flexible circuit board. These compounds are toxic, accumulate in fatty tissue in the human environment are highly resistant to degradation.

Besides the headphone cables are made of PVC and contain 1.5% of phthalate esters, substances that alter the hormonal and reproductive system and may promote cancer. Are the same substances that the European Union has already banned in toys.

Since 2006, this new lab has analyzed three times Apple brand products. IPod and Macbook Pro laptop, also revealed the presence of brominated flame retardants and PVC in some components.

Other competitors such as Sony Ericsson, Nokia, and Motorola mobile phones are free of PVC and brominated compounds.

Bhuvan - India's Google Earth

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Have you been used to Google Earth for finding and searching for location in your city or distance between your city and other city.  Looking for cities which you just wanted to visit and using Google Earth to have sneak peak into it.

In the market of 3D and 2D maps and location, Google Earth has been ruling the market.  Though we have other players in the Market.  ISRO is well known amongst space faring nations for its world-leading reputation in developing new, indigenous and innovative service oriented applications using remote sensing technology.  Multi-resolution images from multi-sensor IRS satellites of India is seamlessly depicted through the Bhuvan web portal by enabling a common man to zoom into specific area of interest at high resolution.  ISRO trying to make it mark to common people in order to get the updated images of space and othe regions.

Not only providing the different images in different forms, also providing information about Resource, places, Some of the features of Bhuvan are:

Basic features of Bhuvan:

  • Access, explore and visualise 2D and 3D image data along with rich thematic information on Soil, wasteland, water resources etc.
  • Visualise multi-resolution, multi-sensor, multi-temporal image data
  • Superpose administrative boundaries of choice on images as required
  • Visualisation of AWS ( Automatic Weather Stations) data/information in a graphic view and use tabular weather data of user choice
  • Fly to locations ( Flies from the current location directly to the selected location)
  • Heads-Up Display ( HUD) naviation controls ( Tilt slider, north indicator, opacity, compass ring, zoom slider)
  • Navigation using the 3D view Pop-up menu (Fly-in, Fly out, jump in, jump around, view point)
  • 3D Fly through (3D view to fly to locations, objects in the terrain, and navigate freely using the mouse or keyboard)
  • Drawing 2D objects (Text labels, polylines, polygons, rectangles, 2D arrows, circles, ellipse)
  • Drawing 3D Objects (placing of expressive 3D models, 3D polygons, boxes)
  • Snapshot creation (copies the 3D view to a floating window and allows to save to a external file)
There would be many more value added functions and facilities which will be added into the package from time to time.

Particular interest of ISRO/DOS would be to provide such functionalities to common man so that he/she adopts participatory approach with scientists to solve simple problems easily and interactively.

Now to register yourself and see the India Earth, which give more clear picture than Google Earth   : To Register

STORAGE MANAGEMENT SUBSYSTEM (SMS)

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Storage Management Subsystem is an optional feature of Multiple Virtual Storage which is used to improve the management of available disk space in the data center.

In Job control subsystem, normally the developer must specify allocation attributes of datasets, such as the size and location about the data sets, to the operating systems. If they don’t allocate files correctly, this can lead to wasted disk space, and makes it difficult to manage the Direct Access Storage Device in the data center.

 

Advantage of SMS:

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SMS managed datasets have several advantages,

1. Users are relieved of making decisions about the resource allocation of datasets, since it is handle by SMS.

2. SMS provides the capability of concentrating data sets of unlike devices.

3. SMS managed data sets cannot be deleted unless they are first uncataloged. Due to this extra step, erroneous deletion of data sets is minimized.

4. VSAM data sets created in an SMS environment offer more flexibility than those created through JCL in non-SMS environment.

 

SMS Constructs:

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With SMS, a new data set can have one or more of the following three constructs:

1. DATA CLASS: Contains the dataset attributes related to allocation of the data set.

2. MANAGEMENT CLASS: Contains the data set attributes related to the migration and backup of the data set. A management class can be assigned to a data set that also has a storage class assigned.

3. STORAGE CLASS: contains the data set attribute related to the storage occupied by the data set. A data set has a storage class assigned is defined as an “SMS-Managed data set.”

OPERA 4.2 FOR MOBILES

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Opera mini is Internet browser used in mobiles. Its features, speed and security will give the best browser, More than 20 million people use Opera browser. Its free to download. It help to Stay in touch with your friends on Facebook, search with Google, get your e-mail on phone, do your online banking. To download opera go to www.opera.com and follow the instructions The shortcuts of opera mini 4.2 version. We can assign our favourite bookmarks in 1 to 9 keys. We can access it by Pressing the star(*) then the number pad keys . If you want a wide screen just press the *and hash(#) keys. By pressing 'star'key twice to get fullscreen mode. While browsing we can go straight to another site by using the # and number key 1, then enter the site name. To get your favourite bookmarks on browsing type # followed by number key 2. If you need the information on the bottom of large page use this # and 3. This is also used to get the top. To return to home page press # and 4. # and 5 give your browsing history. The page information given by the keys #and 6. To find some text press the keys # and * and type the keyword. To change settings of your opera by # and 8.

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