The control unit (CU) reads and interprets instructions from memory and transforms them into _______ to activate other parts of the computer.

The unit used to express the clock rate is _______.

A digital computer operates on electrical inputs that have only two _______, ON and OFF.

A Hybrid computer operates by counting _______ by measuring.

What time _____ ? About an hour ago.

In the early 21st century, computers rely on _______ rather than vacuum tubes.

3.5 gigahertz means 3.5 billion _______.

There was ______ water in the river, so they decided to cross it.

_______ is my favourite sport.

I______ a very difficult day tomorrow. I need to prepare for the exam.