What are the basic essential parts of computer?

"Inspite of heavy rains, children appeared for the exam" - Identify the type of sentence

Mala is fat ____________ she climbs up the stairs comfortably - Supply with suitable conjunction

For which purpose you are using your smart phone?

As soon as the class starts, all the students are taking notes keenly - Transform this sentence into a compound sentence

The author of the play "The Tempest" is _________________

____________ gas is essential for living organism to breathe

What is the answer for $\left(a+b\right)^2$  

"Having finished the lunch, the child went to sleep" - Identify the finite verb