Register
Register: A register is a small, high-speed storage area within a computer’s processor designed to hold and quickly access data needed for computation. Each processor core contains multiple registers, which temporarily store specific types of data, like instruction operands, addresses, and control information. They play a crucial role in the overall system performance, acting as […]
Registered ports
Registered ports: Port numbers ranging from 1024 to 49151 that are reserved for specific well-known services in networking. Examples include HTTP on port 80, HTTPS on port 443, SMTP on port 25, DNS on port 53, and RDP on port 3389.
Registration Authority (RA)
Registration Authority (RA): A trusted entity responsible for verifying the identity of individuals or organizations and issuing digital certificates. It plays a critical role in public key infrastructure (PKI) to establish trust and secure communication. Examples include a Certificate Authority (CA) that verifies a user’s identity before issuing a digital certificate or an RA that […]
Regression testing
Regression testing: The process of testing a software application after changes have been made to ensure that the changes have not introduced new defects or broken existing functionality. It is commonly used in software development to verify the stability and reliability of a system. Examples include running a suite of automated test cases after a […]
Relational Database Management System (RDBMS)
Relational Database Management System (RDBMS): A type of database management system that uses a relational model to organize data into tables and establish relationships between them. Used in database management and data analysis. Examples -MySQL, Microsoft SQL Server, Oracle Database.
Range check
Range check: A validation process used to ensure that a given value falls within a specified range. It helps prevent out-of-range values from being accepted in programming and data entry. Examples include verifying that a password meets minimum length requirements or confirming that a user-entered age is within an acceptable range.