List of top Computer Science Questions on Understanding Data

Which of the following are examples of unstructured data?
(A) Writing tweets
(B) Recording a video
(C) Marking attendance by the teacher
(D) Filling a form for opening an account
Choose the correct answer from the options given below:

To find the difference between maximum and minimum stock prices for a company over a week, which statistical technique is used?

_________ is the positive square root of the average of squared differences of each value from the mean.

________ are unorganized facts that can be processed to generate meaningful information called?