The term ‘generation, in the context of computer terminology, refers to the change in technology a computer is/was being used. Initially, the generation term was used to distinguish between varying hardware technologies.
To date, there have been distinct generations of computers, each featuring significant improvements and technologies that defined the era in which they were employed for use.
The first generation of computers was vacuum tube-based, while today, the new generation computers are ULSI Microprocessor-based.
Example of usage – “Since her computer was a generation old, she decided to upgrade to a newer computer that featured all the latest technologies and features, that would help optimize her workflow.”