Answer: Close or disable all unused running apps.
Explanation: when unused apps keep runningon the device, it will make the device to keep lagging, thereby reducing it efficiency. But once those apps are disabled or closed and the system is probably restarted, the device will regain it efficiency back.
Answer:
publication file I think ?
Answer:
Object-Oriented DBMS.
Explanation:
Like classes in Object oriented programming Object-Oriented DBMS is can store objects.It follows an Object oriented data model with the properties of classes and the properties of Object oriented programming also.Objects can be in the form of complex data types or different data types.
