My opinion a background check and take another friend with you.
Answer:
RFID scanning or Barcode reader
Explanation
Smart refrigerators have inbuilt RFID scanning technology that help monitor the stock that is inside your fridge. Once you pass your items through the inbuilt RFID scanner in the fridge, the barcode of your items is cross-referenced with a database and given a unique tag for identification. This technology helps detect and track the stock that is inside your fridge and when you start running low, the RFID can be triggered to send a reminder as a notification on your email or a text message.
Answer:
The correct answer for the given question is option(A) i.e File History.
Explanation:
In computer system file history is an backup application which create backup of your data which are stored in your libraries, desktops, contacts, and favorites to another storage location .It creates back up of your data to another location when your personal files has been changed.
The user can check the file history option in computer system
open control panel >>system and security >> file system
The purpose of the conclusion paragraph is not only to wrap up the essay, but also to show the strong and central points in the essay alone. Since you are wrapping up the essay, it's your final paragraph and you have to clearly state all of your points and what and why the essay is written (depends on what you are talking about). But, the one purpose of an essay's conclusion is to clearly state the central points of the essay.
If multiple choice then d and a if not then the best one would be a!
hope this helps!!