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WorksheetsYear 7 Digi Tech - Terms 1 & 3
Total questions: 19
Worksheet time: 40mins
What is the internet?
A world-wide network of billions of computers and other electronic devices
A lot of servers sharing information
What you use to search images
What is a node?
Any piece of hardware within a network that can send or receive data
A fibre optic cable
Another name for a network
Data
What kind of signal is sent over a wire network cable?
electrical
light
radio waves
all of the above
What kind of signal is sent over a fibre optic cable?
electrical
light
radio waves
all of the above
What kind of signal is used in wireless communications?
electrical
light
radio waves
all of the above
What type of network connection allows us to send and receive information across the oceans?
Fibre optic cable
Wireless
Wire (copper) cables
Teleportation
Signals that are sent over a network get weaker the further they travel.
How far can a signal travel along a fiber optic cable before it needs to be boosted by a repeater?
80km - 100km
1000km
200m
5km
What do we call the phenomena that allows light to travel so far down a fiber optic filament without escaping?
Total infernal reflection
Refraction
Transmission
Rebounding
What are the purposes of the modem and router in a network?
The modem acts as an analogue to digital signal translator while the router ensures that the right internet signal is routed (directed) to the correct device.
The router acts as an analogue to digital signal translator while the modem ensures that the right internet signal is routed (directed) to the correct device.
Which piece of hardware is a server?
Which piece of hardware is a desktop computer?
Our computers and devices can only understand data in the form of 1's and 0's. What is the name for this type of data?
Binary
Radio waves
Analogue
On or Off
A single fiber optic strand is only as thick as a human hair
True
False
What material is a fiber optic strand made from?
Glass
Copper
Plastic
Resin
What material is the wire in a network cable made from?
Glass
Copper
Plastic
Resin
A protocol can be described as a ...
set of rules we use for communication purposes
type of network hardware
type of software used to protect computers
list of 1's and 0's
IP stand for...
internet protocol
internet practices
internal protocol
internal practices
The following numbers 141.72.251.38 is an example of an...
IP address
DNS address
Internet Protocol
Binary
How is the Internet Protocol of using IP addresses similar to the Postal System Protocol of using mailing addresses?
Select all correct answers.
They are not similar at all
Both use a particular sequence in their addresses to narrow down a location
In order for your communication to reach the correct location you need to enter in the different sections of the address in the correct order
Both systems were created by the same person
