Write a short note on the following: Cloud computing (b) Big data and its characteristics

Q. Write a short note on the following:

(a) Cloud computing

(b) Big data and its characteristics

Answer:-

(a) Cloud computing:-
Cloud computing is Internet-based computing, whereby shared resources, software, and information are provided to computers and other devices on demand, like the electricity grid) A basic definition of cloud computing is the use of the Internet for the tasks you perform on your computer for storage, retrieval and access. The "cloud" represents the Internet. Cloud computing is a new name for an old concept: the delivery of computing services from a remote location. Cloud computing services are delivered through a network, usually the Internet.

(b) Big data:-
The generation of data sets of enormous volume and complexity called Big Data.

Characteristics of Big Data:-

• Volume: - The most prominent characteristic of big data is its enormous size. If a particular data set is of such large size that it is difficult to process it with traditional DBMS tools, it can be termed as big data.

• Velocity: - It represents the rate at which the data under consideration is being generated and stored. Big data has an exponentially higher rate of generation than traditional data sets.

• Variety: - It asserts that a data set has varied data, such as structured, semi-structured and unstructured data. Some examples are text, images, videos, web pages and so on.

• Veracity: - Big data can be sometimes inconsistent, biased, and noisy or there can be abnormality in the data or issues with the data collection methods. Veracity refers to the trustworthiness of the data because processing such incorrect data can give wrong results or mislead the interpretations.

• Value: - Big data is not only just a big pile of data, but also possess to have hidden patterns and useful knowledge which can be of high business value.