List of top Electronics and hardware Questions asked in CBSE CLASS XII

Who design and develop wind farm systems?
A company that is in the first stage of operations is called _________ .
The shortcut key in a spreadsheet for making the text bold is _________ .
_________ is a state of feeling upset, annoyed and hopeless.
People who always believe that they are more important than others suffer from ________ personality disorder.
All interrogative sentences end with a/an _________ .