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.
<span>make periodic adjustments on an as-needed basis. </span>
Answer: An undirected graph is the graph that has the connection of the objects in the form of bidirectional edges.This graph is formed for by the attachment of the collection of the objects which get displayed in the form of network and thus, also known as the undirected graph.
The graph is formed by the nodes or objects getting connected and form edges or link(which is typically in the form of line).
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