What is Big Data?
Data provides information. Accumulation of information is equivalent to accumulation of power and achieving more control over the related events and results. Enormous volume of data with diverse nature is generated In the modern world that storing them and analysing them to get the required output had become a big challenge. The data could be anything from a real time transaction, climatic conditions, clicks on computers, mobile logs, posts or tweets from social media and much more. If the data so collected becomes impossible for a single machine store and process then such data could be named as Big Data.
Data which are very large in size is called Big Data. Normally we work on data of size MB(WordDoc ,Excel) or maximum GB(Movies, Codes) but data in Peta bytes i.e. 10^15 byte size is called Big Data. It is stated that almost 90% of today's data has been generated in the past 3 years.
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