Y7 Networks Homework 1

What is a computer network

• A computer network is when a computer is not connected to other computers.

• A computer network is when two or more computers are connected together to allow them to communicate. ​

Rules that govern communication are known as protocols.

• True

• False

A network cable connects together different devices. ​

They have plastic plugs that connect into sockets on devices.​

The cable is made up of a number of copper wires.  ​

Data can be sent in both directions across a cable.​

A network cable is also known as an.....

​

• eatnet cable

• e- net cable

• ethernet cable

• extra cable

A ___ connects a number of computers together within the same room or building. The --- has ports that allow cables to be plugged into it from each connected computer. When a __ receives a message from a computer, it passes the message on to all of the computers connected to it.

What is the missing piece of hardware? It is the same for each missing word. It has 3 letters.

(a)  

What is a server?

• A robot which serves food

• A powerful computer which provides services to a network 

What is a router used for in a computer network?

• Help you to navigate to where you are going

• Used to connect two separate networks together across the internet 

   

• A tool used for cutting wood

●Wired networks send data along cables.

●Wireless networks send data through the air using radio waves.

True or False?

• True

• False

Name 3 Wireless technologies that you know of.

● (a)   is the amount of data that can be moved from one point to another in a given time. Higher bandwidth = more data per second.

Fill in the missing word.

Bandwidth is measured in......

• Barts per second

• Bytes per second

• Bits per second