iGCSE Computer Science: Environmental Impact

Choose all the types of toxic waste found inside computers...

• Cadmium

• Lead

• Mercury

• Iron

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

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)

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

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

Using the 'sleep' mode on a digital device such as computer or printer can reduce energy consumption by up to _______

• 10%

• 25%

• 50%

• 75%

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

What quantity of e-waste was predicted globally for 2017?

• 10 million tonnes

• 20 million tonnes

• 60 million tonnes

• 100 million tonnes

What raw materials can be recovered from discarded mobile phones?

• Iron, lead, steel

• Gold, silver, copper

• Silver, mercury, copper

• Copper, aluminium, cadmium

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