a group of devices connected together, wirelessly or using cables, to enable communication

a computer that stores, manages and shares files, data and resources in a network

a device that requests services, files or resources from a server on a network

a device that manages the flow of data between computer networks

An introduction to computer networks

Computing

Protocols and IP addresses

Wired and wireless networks

The internet

Exploring the World Wide Web (WWW)

Internet of Things

In this unit pupils will explore the impact networks have on our daily lives. They will define what a network is and explore the benefits of networking, before covering how data is transmitted across networks using protocols. They will investigate different types of network and hardware required.

Computer networks and data transmission

Identify all of the following that are components of a network?

 to provide services to other devices on the network

What is the function of a server in a computer network?

Which of the following is an example of a client in a school network?

to store files and allow other computers to access them

to manage print requests when a computer sends a print job

to connect different networks together and direct data between them

What is the main purpose of a router in a computer network?

Which type of cable uses light pulses to transmit data?

flexibility in accessing files from different devices

Identify all of the following that are benefits of having computers connected in a network?

to allow them access to view or edit the file electronically

What does it mean to "share" a digital file with someone?

Which of the following is an example of communication using a computer network?

drawing a picture using a graphics program

Which of the following tasks is typically easier to do when computers are connected to a network?

to allow students to play online games during class

to provide internet access only to teachers

to enable collaboration and resource sharing among students and teachers

to prevent students from accessing any websites

What is the most likely reason a school would have a computer network?

to allow computers to communicate and share resources

What is the main purpose of a computer network?

An introduction to computer networks

Lesson outcome