The only way is if you have backed up everything! Computers are amazing but they don't know that you need to back up your info. You should back up everything regularly!
Hope this helped and have a nice day!
Answer:
Relay
Explanation:
They both perform similar functions in terms of control of voltage and current but the relay would be better because although it cannot produce a variable output like that of an amplifier, it has the capacity to isolate its input from its output.
Answer:
a spreadsheet
Explanation:
The data is of statistical type and is experimentally based. And hence, the spreadsheet is the best kind of software that can be used to register the record. And we can save 10 such experient results with the same format of tables on 10 different worksheets, and if we want we can adjust the readings of the 10 similar experiments at one time. And hence, we can quite effectively record as well as analyze this data on the spreadsheet. Hence, the spreadsheet is the correct option.
C. Provides an interface between user and OS.
The GUI, or Graphical User Interface, is just about everything you generally see with a common computer or smartphone. You rarely run an application or program from the command itself, as clicking an icon in the GUI runs the software for you.