Questions

The headquarters of Youtube is in United States. The headquarters of some big companies are at

Google : United States

Yahoo : United States

Apple : United States

Mircosoft : United States

Facebook : United States

WhatApp : United States

Twitter : United States

YouTube : United States

Instagram : United States.

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.

DRAM is not the best, but it’s cheap, does the job, and is available almost everywhere you look. DRAM data resides in a cell made of a capacitor and a transistor. The capacitor tends to lose data unless it’s recharged every couple of milliseconds, and this recharging tends to slow down the performance of DRAM compared to speedier RAM types.

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.