Computers & IT (Non-Engg)

It depends on which state you prefer. In Delhi NCR, you can go for:
IMS Noida
Galgotias
ITS
IMS Ghaziabad
ASB Noida etc.

Graphic Era University is far better than hill university in every terms and suspects.
Choose wisely.
Good luck.

Yes, you can join. Many colleges provide direct entry on 12th basis, no matter which stream do you have in 12th.

If you have done B.Sc (IT). Then, many colleges provide Lateral entry into MCA which is of two years otherwise MCA is of three years.

Cloud computing is a Internet-based computing that provides shared computer processing resources and data to computers and other devices on demand. It is a model for enabling ubiquitous, on-demand access to a shared pool of configurable computing resources (e.g., computer networks, servers, storage, applications and services), which can be rapidly provisioned and released with minimal management effort. You may refer to slideshrae website for multiple ppt available on cloud computing for your reference and prep rations of your presentation.