Which of the following personnel is performing quaternary activity?

The correct answer is Option (3) → Software developer

Quaternary activities involve some of the following: the collection, production and dissemination of information or even the production of information. Quaternary activities centre around research, development and may be seen as an advanced form of services involving specialised knowledge and technical skills.

Quaternary activities involve knowledge-based, information-related, and research-oriented services. A software developer fits this category as they work in the field of information technology, creating digital solutions and managing data — core functions of quaternary sector.

• Transporter and trader belong to the tertiary sector (services).

• News reader is also a tertiary activity (mass media service).