have been a cornerstone of data processing for decades, primarily known for their ability to handle large amounts of data through . technology has modernized these behemoths, allowing multiple operating systems to run simultaneously on a single mainframe. s connected to the mainframe give users access to these powerful machines for tasks such as data entry or running programs. capabilities have improved the efficiency of mainframes, enabling them to perform multiple tasks simultaneously. is a key feature of mainframes, ensuring that critical applications are always up and running. s still rely on mainframe computers in many industries due to their reliability and power. s house these mainframes along with other servers, providing a centralized location for computing resources. has become a popular alternative to traditional mainframe setups, distributing processing power across multiple interconnected servers for increased efficiency.