Networks All Around Us!

Networks All Around Us!

By D Smith e2010404 30_4_25 V1.0 Yr 7 Digital Technologies BCC

A network is a group of devices connected to share data.

It helps computers, printers, and phones "talk" to each other.

We use networks every day — even when we stream music or send messages!

​

​What is a Network?

Multiple Choice

What is the main job of a network?

• Print photos

• Share data between devices

• Cook food

• Make sound louder

The three main types are: wired, wireless, and mobile.
Wired uses cables, wireless uses Wi-Fi, and mobile uses towers.
Each is good in different situations.

​

​Types of Networks

Match

Match the network to the example:

• Wired →

• Wireless →

• Mobile →

Ethernet in a classroom

Wi-Fi at home

4G/5G on your phone

• Ethernet in a classroom

• Wi-Fi at home

• 4G/5G on your phone

Networks use devices like routers, modems, and switches.
Each has a job — like directing traffic or connecting things.
These tools keep networks running.

​

Devices in a Network

A router sends data, a switch links local devices, and a modem connects to the internet.
All are important for the network to work.
Cables connect everything together.

​

​What Each Part Does

Match

Match the part to what it does:

• Cable →

• Router →

• Switch →

Sends data between devices

Sends data between networks

Connects local devices

• Sends data between devices

• Sends data between networks

• Connects local devices

Wired networks use Ethernet cables.
They are fast and safe, but not mobile.
Great for schools and offices.

​

Wired Networks

Multiple Choice

Wired networks are best for moving around.

• True

• False

Wireless networks use Wi-Fi.
You don’t need cables, but it may be slower.
Great for homes and cafes.

​

​Wireless Networks

Match

Match the feature to the network:

• No cables →

• Fast and stable →

• Used while moving →

Wireless

Wired

Mobile

• Wireless

• Wired

• Mobile

Mobile networks use towers to connect phones and tablets.
They work on the go, even outside.
You use 3G, 4G, or 5G to connect.

​

Mobile Networks

Multiple Choice

Which is a downside of wireless networks?

• Too fast

• Requires towers

• Can be unstable

• Makes pizza

We use networks at home, school, and in shops.
Each place uses different types.
You might use all three in one day!

​

Where We Use Networks

Match

Match the place to the network:

• Park with phone →

• Classroom computer →

• Watching Netflix at home →

Mobile

Wired

Wireless

• Mobile

• Wired

• Wireless

Networks need protection from hackers and viruses.
We use firewalls, strong passwords, and safe settings.
Safety is important for school and home.

​

Network Security

Multiple Select

Which keep a network safe?

• Firewall

• Password

• Cheese

• Sunglasses

• Let’s remember key words: router, modem, switch, wireless, wired, mobile.
  These are the building blocks of all networks.
  You’ll need them for future projects.

​

​Key Terms

Match

Match the word to what it means:

• Router →

• Modem →

• Switch →

Sends data between networks

Connects to the internet

Links local devices

• Sends data between networks

• Connects to the internet

• Links local devices