True; synchronous means existing or occurring at the same time (I really don't know if that's a question but oh well)
Answer:
Close or disable all unused running apps.
Explanation:
Closing programs running in the background on your computer or mobile device helps to free up system resources for your other programs. These problems can be resolved where your system is running slowly or two programs are trying to use the same device hence causing the device or system to drag.
It could be any thing of your chose
