Edexcel GCSE Computer Science

6: The Bigger Picture

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6.1.1: understand the environmental impact of technology (health, energy use, resources) on society
The Bigger Picture
KeywordDefinition
E-wasteimpact of technology from the disposal of electronic components which may contain toxic materials like lead or mercury that can harm the environment or wildlife
Energy Consumptionimpact of technology from needing power to keep vast data centers running continuously
Limited resourcesimpact of technology from electronic components relying on rare metals
Recyclingway of reducing the environmental impact of technology by re-using resources rather than putting them into landfill
Sustainabilitya way of reducing the environmental impact of technology by making sure components are made from raw materials that can easily be replenished
6.1.2: understand the ethical impact of using technology (privacy, inclusion, professionalism) on society
The Bigger Picture
KeywordDefinition
EncryptionAlgorithms which allow both law-abiding citizens and criminals to communicate privately and securely
Ethical impacthow technology can be used as a force for good or bad
Inclusionhow some people have better or worse access to online services depending on their age, income, location or IT skills
Privacyhow personal data can be used or misused to identify and track people's location and habits
Professionalismhow people are expected to act according to professional codes of conduct above and beyond what is expected by the law
Surveillanceusing CCTV cameras, web tracking or monitoring software in order to keep track on people's behaviour. Can be used to reward good behaviour, prevent illegal activity or bring offenders to justice.
6.1.3: understand the legal impact of using technology (intellectual property, patents, licensing, open source and proprietary software, cyber-security) on society
The Bigger Picture
KeywordDefinition
Computer Misuse Act 1990Legislation which defines three increasingly serious offences: to gain access to a computer without permission, to modify computer material without permission or to gain unauthorised access to a computer with intent to commit further crime
Copyrightthe legal protection of the owner of a piece of work to protect the right to reproduce, adapt or sell it.
Creative Commonsa type of licensing agreement which makes it easy for people to share their work freely whilst still protecting their rights to be known as the author
Intellectual Propertyan image, document, computer program or any other creation for which the Copyright, Designs and Patent Act 1988 sets out the rights of the creator to be known as the author and owner
Legislationlaws which determine what is legal, illegal and what rights people have regarding technology
LicensingA legal arrangement between the owner and user of a software application setting out what the user is and isn't legally allowed to do
Open sourceA type of software where programs are released for free along with the program code so that anyone can adapt, extend or share it, often without any financial cost.
Patentlegal protection that an inventor can apply for in order to prevent anyone else making and selling their invention. Software can't be patented in the UK but can be in the US.
PermissionAsking for and receiving consent from the owner of a computer system before you access it, or from the copyright holder of a piece of work before you use it.
ProprietaryA type of software where programs made by a commercial company which you usually pay for up front or with a monthly subscription. You're not allowed to adapt or share the code.