Why? Present day computers pack a serious punch. Does research exist to back up claims that computers have been more commonplace in classrooms over the last several decades?

Modern computers pack quite a punch. Why did the use of computers in classrooms suddenly explode?

This is so because modern computers have more powerful processors. Is there evidence to support the notion that computers have assumed an increasingly crucial role in today's classrooms?

Why? These days, it's not hard to get your hands on a powerful computer. Is there any evidence to support the claim that computers have played an increasingly important role in the educational system over the last several decades?

This is partly because modern computers have so much power.Is there any evidence from the last several decades that demonstrates how computers have played a significant role in teaching?

Because of the incredible power of modern computers In what ways have computers become so pervasive in today's classrooms?