An operator that operates on a single operand, often used to perform simple transformations or calculations, such as negation or incrementation.

"The '-' symbol is a unary operator used for negation in arithmetic expressions."

A program that executes instructions written in a programming or scripting language without requiring them to have been compiled into a machine language program.

"Interpreters parse and execute code line by line, which allows for interactive coding and debugging but can be slower than running compiled code."

A networking device that forwards data packets between computer networks, typically using routing information to determine the best path for transmission.

"The router directs internet traffic between devices on the local network and the wider internet."

A globally recognized certification offered by the Project Management Institute (PMI) that validates a person's ability to manage the people, processes, and business priorities of a professional project.

"Obtaining a PMP certification can enhance a project manager's career opportunities, salary, and professional reputation."

An anonymous function expressed as a single expression, typically used for short, simple functions that can be defined inline.

"Lambda functions are widely used in functional programming languages and frameworks to perform operations on collections of data."