Page 25 - BP2Y 002 Listening Success AT4

Listen to the

1. What is the main idea of the passage?

a. the abacus
b. how to make a computer

c. modern computers
d. different kinds of computers

2. When was the abacus invented?

a. 1206 AD b. 2300 AD c. 2300 BC d. 1206 BC

3. What was the abacus used for?

a. video games
b. storing information

c. communicating over great distances

d. calculating prices

Check True or False

1. The abacus is a small wooden frame with beads on it.

2. The abacus is capable of doing the same complex

calculations as a modern computer.

3. The beads on an abacus represented different letters.

Unit 04 25