Squigly Squigly's Brain Teasers

Question:

You may enter, but you may not come in,
I have space, but no room,
I have keys, but open no lock.

What am I?

Answer:

A computer.

Try another Brain Teaser:

Is a peck larger than a bushel?

We have lots more puzzles to provide fun for your brain. Have fun solving these quiz questions. Choose from the following brain games: