https://preparationpoint.info/solved-past-papers-mcqs/ppsc-past-papers/ppsc-past-papers-2018/model-paper-89-field-assistant-in-the-agriculture-department-bps-16-2018/when-a-collection-of-various-computers-seems-to-be-a-single-coherent-for-a-client-then-it-is-called/