Questions

What is an operating system?

What is the difference between Primary storage and secondary storage?

In which war was the Battle of Gettys-burg a key clash?

Night blindness is caused due to deficiency of

In the following question, a sentence is given with some bold words which may contain errors. Below the sentence, a table is given with two columns in which column 'A' contains the list of bold words, and in column 'B' the suggested corrections are listed. You have to choose the best alternative among the four given options. If no correction is required against the given bold words, mark (E), i.e., "None of the above" as your answer. 

After learning that Ranjhi Rajak, a pilgrim from Madhya Pradesh had collapsed near Bhairo temple and needed immediate medical attention, SI Bahuguna carried Rajak on his back and walked uphill for over 2 kms till they reached the nearby hospital.

Group 7A of the periodic table contains the

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

When it rains, it pours

If you look into a mirror and find that the image (your reflection) is smaller than you, then the type of the mirror is: