Plugged in and Up on

Up on and plugged in are semantically related in aware topic. In some cases you can use "Up on" instead an adjective phrase "Plugged in", when it comes to topics like cognizant, familiar, knowledgeable.

Up on adjective - Being up to particular standard or level especially in being up to date in knowledge.

Plugged in and up on are semantically related in aware topic. Sometimes you can use "Plugged in" instead an adjective "Up on", if it concerns topics such as cognizant, familiar, knowledgeable.