Questions

stack is portion of RAM used for saving the content of Program Counter and general purpose registers.

LIFO stacks, also known as "push down" stacks, are the conceptually simplest way of saving information in a temporary storage location for such common computer operations as mathematical expression evaluation and recursive subroutine calling.

The Shramjeevi Train is a daily superfast express train of Indian Railways, running between Rajgir, near Nalanda, Bihar, and New Delhi, the capital city of India. Previously it was running between Patna and New Delhi, later extended to Rajgir.

Intrinsic is spelt correctly which means essential.

Satna is not situated on Varanasi-Kanyakumari National Highway.

Another name for false productivity is Spinning your wheels. They use the term for false productivity because your wheels are spinning as you're doing work but you're not going anywhere i.e, making any progress.