Computer network

High school (ages 12+)
Science & Technology

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/computer-network

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the architectural model?The OSI (Open Systems Interconnection) model defines seven layers of network communication
2. How do computers send information on a network?Computers break information into small pieces called packets. Each packet carries a part of the data plus a header that tells where it came from and where it should go.
3. Why did the Internet start during the Cold War?The U.S. government wanted a communication system that could keep working even if parts were damaged, so they created ARPANET in 1969 to test a new, resilient way of sharing information.

Packet Switching: A method of transmitting data by breaking it into small, individually addressed packets.
IP Address: A unique numerical label assigned to each device connected to a computer network using the Internet Protocol.
Network Latency: The time delay experienced when data travels from its source to its destination across a network.