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What is BlockChain ?

The blockchain is a chain of blocks which contain information. First used in Bitcoin by " Satoshi Nakamoto " in 2009 for Bitcoins(A digital currency) The blockchain is a distributed ledger. Now, what is ledger? According to Wikipedia ledger is A ledger is the principal book or computer file for recording and totaling economic transactions measured in terms of a monetary unit of account by account type, with debits and credits in separate columns and a beginning monetary balance and ending monetary balance two account. In simple terms a file which stores information like transactions and account details called Block and the connection between them is Chain. A block contains 3 part Hash of the previous block Data Hash Block of Blockchain Hash is a like a fingerprint, which contains details of data(sender, receiver, content, previous block hash etc) Hash looks like this "a 0680c0...

What is Big Data?

Big Data is the huge amount of data which can't be stored and processed using the traditional methods within the given time frame. So, The Question arises that how much big should be the big data . Generally, people think that the data whose size is more than GB, TB, PB is big data. But, it's not the case. some data which is small in size can be a big data. For example 100mb of a document is to be sent by email(we generally use Gmail ), but it's not possible because Gmail doesn't support this feature. That's why 100 MB of the document can be referred to as a big data for email service. let's understand bigdata with another Example 1TB of data is given a person, 1 TB contains images which he has to edit and process in a particular amount of Time, for a normal user it will be a Bigdata. Some analysis of data in the real world Facebook-100TB /day twitter- 4400 twites /day LinkedIn - 10TB/day Google+ - 10TB/...

What is Cloud Computing ?

Cloud Computing is the delivery of services. It enables the user to Store data, Access service, and Share platforms. Cloud Computing Cloud Computing services contain Data Storage Server Database Networking etc Cloud Computing Services are divided into 3 types IaaS – infrastructure as a service It provides you Infrastructure for computing , physically or in the form of virtual machine. Service provider - Azure , Rackspace , Amazon etc (Best Jobs in 2020) Example:- let’s suppose you have a laptop of 4 Gb RAM and you wanted to install Android Studio, but your system doesn't support it well. Your laptop performance is lagging. Your friend Suraj have one extra laptop which is not in use and it has 8 GB RAM, so You borrow his laptop for 30 days, You completed your work and you return the laptop, this is called IaaS. ...

Top 5 Python libraries and packages for Data Scientists

As we all know Python is the favorite language for all the beginner, due to its simplicity and features. Python has a large variety of libraries and Application. Application of python Web and Internet Development You can use a framework such as Django and Pyramid Education Python is a superb language for teaching programming, both at the introductory level and in more advanced courses. Desktop GUIs The Tk GUI library is included with most binary distributions of Python. Some toolkits that are usable on several platforms are available separately: wxWidgets Software Development Python is often used as a support language for software developers, for build control and management, testing, and in many other ways. Business Applications Python is also used to build ERP and e-commerce systems Scientific and Numeric Python is widely used in scientific and numeric computing(Basically for Analysis) S...

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