Wonder#2899: Who Invented the Hard Drive?

Question 1 of 3

This Wonder is mostly about…

1. The man who invented the computer hard drive.
2. How computers work.
3. The woman who invented the computer hard drive.
4. How to design your own computer.

Question 2 of 3

Why did Reynold Johnson first talk to IBM?

1. He wanted to learn about their business.
2. He wanted to see how computers work.
3. He was trying to sell them his test-scoring invention.
4. He disliked being a teacher.

Question 3 of 3

Based on information from the Wonder, what is true about computer hard drives?

1. Modern hard drives are based on the same original design.
2. The amount they are able to store has grown tremendously.
3. They use magnetic disks to store data.
4. All of the above.

Check your answers online at https://wonderopolis.org/index.php/wonder/Who-Invented-the-Hard-Drive.