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Computers
9th -
12thgrade
iGCSE Computer Science: Environmental Impact
20 questions
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- 1. Multiple Choice
Choose all the types of toxic waste found inside computers...
Cadmium
Lead
Mercury
Iron
- 2. Multiple Choice
E-waste refers to any form of _____________ electrical or electronic equipment, including those destined for reuse, resale, salvage, recycling, or disposal.
discarded
expensive
unwanted
working
- 3. Multiple Choice
In the manufacture of a computer and monitor weighing 24 kg, what equivalent weight of fossil fuels would be required?
24 kg (the same)
120 kg (five times)
240 kg (ten times)
480 kg (twenty times)
- 4. Multiple Choice
If a factory produces 40,000 semiconductors a month, how much water would it consume in one day?
1 million litres
10 million litres
20 million litres
50 million litres
- 5. Multiple Choice
The RoHS was adopted in February 2003 by the European Union and seeks to restrict the use of six hazardous substances in electrical and electronic equipment. What does RoHS stand for?
Reduction of Hard Solutions
Reaction on H2O Sources
Restoration of High Standards
Restriction of Hazardous Substances
- 6. Multiple Choice
Using the 'sleep' mode on a digital device such as computer or printer can reduce energy consumption by up to _______
10%
25%
50%
75%
- 7. Multiple Choice
Carbon ____________ refers to the amount of carbon dioxide an individual or organisation produces as a result of the energy they consume.
reading
footprint
history
logging
- 8. Multiple Choice
What quantity of e-waste was predicted globally for 2017?
10 million tonnes
20 million tonnes
60 million tonnes
100 million tonnes
- 9. Multiple Choice
What raw materials can be recovered from discarded mobile phones?
Iron, lead, steel
Gold, silver, copper
Silver, mercury, copper
Copper, aluminium, cadmium
- 10. Multiple Choice
The EU's Waste Electrical and Electronic Equipment (WEEE) Directive of 2003 set targets for the collection, recycling and recovery of all types of electrical goods. To what group does this directive apply?
Individuals
Businesses/organisations
Both individuals and organisations
Families
- 11. Multiple Choice
Choose all the ways in which computing technology is also helping to protect the environment...
Climate change - analysing data about global warming
Disaster alerts - providing early warning systems for tsunamis and earthquakes
Conservation - protecting endangered species and habitats using GPS and transponders
Energy consumption - making buildings more energy efficient
- 12. Multiple Choice
On what continent do you think this e-waste landfill site is most likely to be found?
Europe
Africa
North America
Australia
- 13. Multiple Choice
Choose all the ways of saving energy in a large organisation ...
Laying out equipment so it can be cooled more effectively
Use SSD drives instead of HDDs that use more energy
Use modern LED monitors instead of older CRT monitors
Setting the air conditioning to the coolest temperature
- 14. Multiple Choice
Which one is NOT an acronym related to the management of e-waste?
- 15. Multiple Choice
Identify one of the main problem with e-waste ...
E-waste ends up in landfill sites where toxic chemicals leak out into the ground
E-waste gets recycled into new computers
E-waste if often shipped abroad
E-waste ends up in landfill sites where energy leaks out into the ground
- 16. Multiple Choice
Which of these is a way that the widespread use of computers can help protect the environment?
Less need for travel and transport of goods
Due to online shopping people can make purchases 24/7/365
Robots can manufacture more products than humans can
Computers can be disposed of in local landfill sites
- 17. Multiple Choice
Which piece of advice is environmentally friendly by reducing the energy consumption of computers in an organisation?
Set all computers on a power plan to go on automatic standby
Use computers in a smaller area
Use smaller sized computers with less RAM
Keep the room temperature low
- 18. Multiple Choice
The correct way to dispose of an unwanted mobile phone would be to ...
Put it in the trash bin
Recycle it for second use
Open it and remove all the parts
Drop it on a landfill site
- 19. Multiple Choice
You are trying to reduce the energy consumed by digital devices in your home. Which action would have no effect?
Shutdown or stand-by devices when not in use
Change all hard disk drives to solid-state drives
Use only portable devices rather than fixed desktop computers
Make each device for a single user login only
- 20. Multiple Choice
Facebook have built a large data centre in Lulea in northern Sweden. Choose all the reasons why you think they chose that location?
Fewer people live there in case of a disaster
There are many Swedish people working for Facebook
Proximity to renewable hydroelectricity
Naturally colder climate helps keep temperature down
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