A blockchain, originally block chain, is a growing list of records, called blocks, that are linked using cryptography. ... By design, a blockchain is resistant to modification of the data. It is "an open, distributed ledger that can record transactions between two parties efficiently and in a verifiable and permanent way". 1. What is the...

MongoDB is a popular open-source NoSQL database management system that falls under the category of a document-oriented database. It was developed by MongoDB Inc. and is designed to provide high performance, scalability, and flexibility for handling large amounts of data. MongoDB stores data in flexible, JSON-like BSON (Binary JSON) documents,...

Cybersecurity is a collective name for a collection of procedures, tools, and methods used to guard computer networks, data, and information from theft, damage, and illegal access. With the growing reliance on digital platforms and the interconnectedness of contemporary systems, it is an essential subject in the field of information technology....

Machine learning is the study of computer algorithms that improve automatically through experience. It is seen as a subset of artificial intelligence.Machine learning focuses on the development of computer programs that can access data and use it learn for themselves 1. What is machine learning? Ans: Machine learning is the field of...

Mobile testing is the process of ensuring that mobile applications and websites work correctly on various mobile devices. It covers functional, performance, security, and usability testing. Mobile testing is vital owing to the extensive usage of smartphones and tablets, which necessitate compatibility with various platforms, screen sizes, and...

SQL Server Integration Services (SSIS) is a Microsoft tool for designing and managing data integration workflows. It facilitates ETL processes by extracting, transforming, and loading data between different systems. SSIS includes a development environment (SQL Server Data Tools), data flow for moving and transforming data, control flow for...

Android technology, developed and maintained by Google, stands as a prominent open-source operating system primarily crafted for mobile devices such as smartphones and tablets. Its hallmark is versatility, as it allows a wide array of manufacturers to customize and utilize Android in their devices, resulting in a diverse spectrum of smartphones...

OBIEE (Oracle Business Intelligence Enterprise Edition) is Oracle's comprehensive suite for enterprise business intelligence. It provides a full range of capabilities, including interactive dashboards, ad-hoc queries, mobile analytics, reporting, and alerts. OBIEE enables organizations to access and analyze data from multiple sources, empowering...

PySpark is a powerful tool for big data processing, enabling scalable and efficient data analysis using Apache Spark and Python. It simplifies working with large datasets, providing a high-level API for distributed data processing and machine learning tasks. Ideal for data engineers and data scientists, PySpark accelerates data workflows and...

Robotic Process Automation (RPA) is a technology that automates repetitive, rule-based processes that are traditionally completed by humans by using software robots, or "bots". Through the simplification of procedures including data entry, transaction processing, and report production, it improves efficiency, accuracy, and speed. RPA is being...