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WorksheetsThe hidden network that makes the internet possible
Total questions: 20
Worksheet time: 15mins
One petabit of data is equal to how many hours of streaming HD video?
8,000 hours
9,000 hours
10,000 hours
11,000 hours
In 2012 scientists and engineers send one petabit of data over a 50 km distance in how many seconds?
1 sec
2 sec
3 sec
4 sec
What is the hidden network that links our planet and makes the internet possible?
electrical current
copper wires
fiber optics
electrical outlets
Before fiber optics, communication between cities and countries were carried by....
fiber optics
electrical signals
wires
These electrical signals were transported by....
fiber optics
electrical outlets
copper wires
electromagnets
What are some disadvantages of sending electrical signals via copper wires? (mark all that apply)
slow and inefficient
wires limit data
power lost as wasted heat
In the 20th century we switched from copper wires to glass that was no thicker than......
human arms
human bones
human fingers
Human hair
Fiber optics carry....
electrical signals
pulses of light with digital data
How does the light travel through the glass in large distances?
Reflection
Total Internal Reflection
Absorption
Total Internal Absorption
Light bends as it travels through air or water.
True
False
There are over a million km of fiber optics in the ocean floor to connect continents.
True
False
Gigantic data centers contain over worked computer servers all over the world also known as...
iCloud
Cloud computing
Internet
The web
Two disadvantages of cloud computing are: (mark two)
Heat waste
Takes up to much space
Band width demand
How can we receive FASTER internet
Upgrading to 5G
Integrated photonics
Photonic chips can....
convert electrical signals back to optical signals
convert optical signals back to electrical signals
Silicon wires are light conductors
True
False
Data can travel thousands o times faster than it does now with....
More networks
Terahertz frequencies
More cloud computing
Petabit signals
Our world becomes more virtual everyday.
True
False
Do you think these technologies emit harmful waste into our atmosphere?
Yes
Maybe
No
Would you like to continue to move from 5G to 6G network regardless if our planet becomes harmed?
Yes
Maybe
No
