AutoCAD is the world's most widely used 2d and 3D computer aided design (CAD) and drafting software application. AutoCAD is used in most of the industries by architects, project managers, engineers, Graphic designer and many other professionals.
Web development, is the creation of dynamics web application. E.g. web applications are social networking sites like Facebook or E-commerce sites like Amazon. Mobile application development is the set of process and procedures involved in writing softwares for small, wireless computing devices such as mobile phones or tablets. These applications utilize the unique features and hardware of mobile devices.
A block chain is a decentralized, distributed, and public digital ledger that is used to record transactions across numerous computers in a way that prevents the record from being changed in the past without the network's cooperation and the modification of all following blocks. Blockchain technology is defined as "an open, distributed ledger technology (DLT) that can record transactions between two parties efficiently and in a verifiable and permanent way." This DLT, also known as a de-centralized ledger for digital assets, replicates, shares, and synchronizes digital data that is geographically dispersed over several locations, nations, or organizations. It lacks a central administrator and centralized data storage.
Crypto currency is type of currency that is based on cryptography and uses a distributed ledger system called the blockchain. By harnessing these technologies, developers have aimed to create currencies that are for the most part secure, private, traceable and decentralized. Cryptocurrencies are a type of digital currencies, alternative currencies and virtual currencies. Public and private keys are often used to transfer cryptocurrency between individuals. Cryptocurrencies use decentralized control as opposed to centralized electronic money and central banking systems.