Which of the following statements best describes the difference between integrated and interfaced systems in a Hospital Information System $($HIS$)$

Integrated systems are more flexible and customizable, while interfaced systems are less complex.

Integrated systems share a single database, while interfaced systems use separate databases

Integrated systems provide seamless data exchange between modules, while interfaced systems require manual data transfer between different systems.

Integrated systems have higher initial implementation costs, while interfaced systems require ongoing maintenance expenses.