Y8 - CY1 - HW - W4
Authored by CEC Computing
Computers
8th Grade
Used 1+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
How does data get from one place to another
Transition Medium
Wireless
Teleportation
USB File Transfer
2.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
What are twisted pair cables often called?
Ethernet
Coaxial
USB Mini
Arpanet
Telecom Inverter
3.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
How many pairs of wires are there in a twisted pair cable?
4
2
8
1
10
4.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
Why are the wires in a twisted pair cable twisted around one another?
To prevent interference
To boost the strength of the signal
For redundancy e.g. if one wire fails the other can still carry the same message
To make the cable safer to handle e.g. the wires earth each other
To prevent them from affecting things like compasses
5.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
Fibre optic cables transfer data as...
Pulses of light
Radio signals
Electromagnetic pulses
Sound waves
X rays
6.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
Which is the fastest method of data transfer?
Fibre Optic
Twisted Pair Cable
Radio Waves
7.
MULTIPLE SELECT QUESTION
15 mins • 5 pts
Which protocols rely on the use of radio technologies?
WiFi
Bluetooth
Ethernet
Coaxial
Fibre Optic
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