Общая количественная мера, связывающая воедино все явления природы, различные формы движения материи, - это

As for me computer is a good thing. We live in the world which is the world of machines.  Every firm or company can't manage without computer. All information nowadays keeps in electronic form. Learning in schools with help of computers become more popular. Also computer has negative points - it is bad for our health. But still i think that future depends on computers.