BitCoins

BitCoin

What is BitCoins ? 

Started in 2008 , bitcoin is a form of digital currency,money that exists in the form of computer code.It do not have any central issuing authority.These virtual currency can be stored in electronic wallets and can be traded on online exchange and converted into cash.It is open source and peer-to-peer network introduced by pseudonymous Satoshi Nakamoto.It uses a public-key cryptography for security hence also called cryptocurrency.

• Within four years of coming into existence, bitcoin has become the world’s most expensive currency and its per unit value soared past $ 1,200 level or about Rs. 63,000 recently, although the prices have now slipped below Rs. 50,000 level.

Latest : 

University of Cumbria became first to accept bitcoins in tution fees.

How it works ? 

Users send payments through broadcasting digitally signed agreements that transfer ownership of bitcoins.A decentralised network of computer (operator or Miners) verifies and timestamps all transaction through proof-of-work system.These operators are awarded with

Match Fixing

1. The present raging controversy over “spot-fixing” in the Indian Premier League (IPL) has occupied a major part of the news coverage over the past two weeks. Given the cult status of the game here, one is not surprised by the anger against the avaricious personalities who brought disrepute to the game


2. The arrest of players belonging to Rajasthan Royals by the Delhi police during the final days of the IPL season six blew the lid.


3. Then came a series of events: the infamous exit of Lalit Modi, the drama of the formation of the Kochi team and the exit of Shashi Tharoor from the Union Cabinet, Shashank Manohar’s promise to clean up the mess, the court cases between A.C

Coal Scam

INTRODUCTION :

India is one of the largest producers of coal in the world.
The coal-rich region in India includes huge swathes of eastern states like Orissa, Jharkhand and Chhattisgarh, and pockets in the central and southern parts of the country.

More than half of India's commercial energy needs are met by coal. It is the main fuel for generating power and making steel and cement.
Coal allocation scam or Coalgate, as referred by the media, is a political scandal concerning the Indian government's allocation of the nation's coal deposits to public sector entities (PSEs) and private companies. In a draft report issued in March 2012, the Comptroller and Auditor General of India (CAG) office accused the Government of India of allocating coal

Desertification

Desertification 

It is a type of land degradation  in which a relatively dry land becomes increasingly arid , typically losing  its bodies of water as well as  vegetation and wildlife.

Causes : 

Number of factors which work individually or in combination causing desertification. The immediate cause is the removal of most vegetation. This is driven by a number of factors such as:

• Drought


• Climatic shifts

MSME Sector

Classification of MSME 

MSME sector are classified into 2 classes with the following criteria:

1. Manufacturing or production enterprises

Enterprises	Investment in plant & machinery
Micro Enterprises	< Rs.25 lacs
Small Enterprises	> Rs.25 lacs and < Rs.5 crores
Medium Enterprises	> Rs.5 crores and < Rs.10 crores

2. Service enterprises

Enterprises	Investment in equipments
Micro Enterprises	< Rs.10 lacs
Small Enterprises	> Rs.10 lacs and < Rs.2 Crores
Medium Enterprises	> Rs.2 Crores and < Rs.5 Crores

Contribution of MSME sector to Indian Economy

Terms - Env and Ecology

Blast Fishing

• Blast fishing or dynamite fishing is the practice of using explosives to stun or kill schools of fish for easy collection. This often illegal practice can be extremely destructive to the surrounding ecosystem, as the explosion often destroys the underlying habitat (such as coral reefs) that supports the fish.

Technology - Terms

1. Pelican Imaging : This multiple-optics technology, at its simplest, allows users to adjust an image’s focus after the photo is taken, or allows a singe picture to have multiple foci. Focussed by Nokia.


2. HEVC (High Efficiency Video Coding) : The HEVC standard doubles data compression, while enabling far higher resolutions.Successor to MPEG-4 standard. Its USP is that it doubles data compression, while simultaneously enabling far higher resolutions, of up to 8,192x4,320 pixels.