A computer is a general purpose device that can be programmed to carry out a finite set of arithmetic or logical operations. Now you can check if you know the history of computers?
SQL is a standardized query language for requesting information from a database. You can verify your knowledge by trying to answer a few simple questions.
The way this fearless man is playing with a 8 foot (2.5 meters) beast of a grizzly bear, like you would play with a tame golden retriever is nothing short of amazing.
If you are tired and annoyed by the app requests and notifications your friends keep sending on Facebook, this is how you get rid of them without having to unfriend your friends.