India successfully test fired Prithvi-II and Dhanush missiles

Dhanush and Prithvi-II Missile Image

India on Friday morning successfully test fired two nuclear-capable missiles, both of them are ballistic missiles. A similar exercise involving Dhanush and Prithvi-2 missile was successfully conducted in a "salvo mode" off Orissa coast on March 27 last year.Dhanush is also called as the naval version of Prithvi, is a single-stage missile with liquid propellant. It has a pay load capacity of 500 kg and is capable of carrying both nuclear as well as conventional warheads.

These missiles can hit both sea and shore-based targets with a very high accuracy. In term of dimensions, It is 10 meter long, one meter in diameter and weighs six tonnes.

The test-firing of the surface-to-surface missile was "a routine trial conducted by the personnel of Strategic Force Command (SFC)". Prithvi was the first missile developed under India's prestigious Integrated Guided Missile Development Programme (IGMDP).

The surface-to-surface missile has proved its robustness and accuracy repeatedly during many trials earlier since the first test in 1988.Prithvi missile equipped with sophisticated guidance systems have hit the specified targets with a very high degree of accuracy.

"On Friday,First Dhanush was test fired from Indian naval ship, INS suvarana off the coast of orrisa at 10:30 am and then next missile Prithvi-II was successfully fired at 11 am from Integrated test range(ITR) at chandipur".

.NET FRAMEWORK ARCHITECTURE

.NET FRAMEWORK ARCHITECTURE  

This blog is very crucial if you are going for an IT interview. You should read it once before your interview.

Before going to .net framework architecture, We must have to know what exactly a .net is? 
.NET is a general-purpose software development platform, similar to Java. At its core is a virtual machine that turns intermediate language (IL) into machine code. High-level language compilers for C#, VB.NET and C++ are provided to turn source code into IL. C# is a new programming language, very similar to Java. An extensive class library is included, featuring all the functionality one might expect from a contemporary development platform - windows GUI development (Windows Form s), database access (ADO.NET), web development (ASP.NET), web services, XML etc.

Framework mainly consist of two main components:
1. Class library
2. CLR (Common language runtime)

Class Library includes Random, File, smtpclient and Graphic. Random work with generate random number, file work with files, Smtpclient enable to send emails, Graphic work with different images.

In CLR Framework, When we write an application for .net framework in a language such as C#, our source code is never compiled directly into machine code instead C# convert our code into a special language called MSIL (Microsoft intermediate language) which is understand by .net framework. MSIL code is then compiled by a special compiler Known as JITTER (Just in time compiler) to convert Microsoft intermediate language generated codes into machine codes.
  

NAVSTAR GLOBAL POSITIONING SYSTEM

It was developed by Department of defence, USA.
FEATURES: 

1. Continuously provided global coverage.
2. It is a constellation of 21 satellites with 3 spares in semi-geosynchronous circular orbit at a height of 20,200 km.
3. 6 orbital planes, each inclined at 55 degree to equatorial plane.
4. The time required in one cycle of orbit is 12 hours.
5. 5 hour above horizon.
6. It has highly stable cesium and rubidium atomic clocks.
7. All data and information are transmitted at two frequencies which lies in L-band ( L1=1575.42 MHZ & L2=1227.60 MHZ ).