Social Implications & Green Computing is one of 9 topics in the Grade 12 Computer Applications Technology CAPS syllabus, covered across 3 lessons on Study Vault. Below are real practice questions from this topic with full worked answers.
Sample practice questions
Easy
1. What term describes discarded electronic devices and components?
E-waste
Green computing
User-centred design
A security patch
Answer: E-waste — E-waste (electronic waste) is the term for discarded electronic devices and components, which requires proper recycling rather than ordinary landfill disposal.
Easy
2. Why is throwing old electronic devices into ordinary landfill a problem?
Hazardous materials such as lead and mercury can leach into soil and groundwater
Electronic devices decompose naturally with no environmental effect
Landfill disposal is always the most environmentally responsible option
Old electronics contain no materials of any environmental concern
Answer: Hazardous materials such as lead and mercury can leach into soil and groundwater — Many electronic components contain hazardous materials, such as lead and mercury, which can leach into soil and groundwater if devices are dumped in ordinary landfill rather than properly recycled.
Medium
3. Name the general term for practices aimed at reducing the environmental impact of computer technology use, such as energy-efficient hardware and power-saving settings.
Answer: green computing — Green computing (or green IT) refers to practices aimed at reducing the environmental impact of computer technology, including energy-efficient hardware and power-saving settings.
