Which of the following statements is in most cases false?

Which of the following statements is in most cases false?

Many modern automobiles have as much computing power as a personal computer

More than a quarter of the world's population has access to the Internet.

The processing power available in new computer processors has doubled roughly every $1-2$ years since $1971$

The processing power available in mainframe computers built in $1965$ is expected to cost roughly a penny or less before the year$2020$

As computer systems become more complex, they naturally become more difficult to use