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IB Digital Society: Content: Computing Hardware, software, cloud and the digital divide. 2 subtopics, 9 key terms.
In this topic: 4.1 · 4.2
4.1 Hardware, software and the cloudKey terms Hardware Physical components: processor, memory, storage, sensors. Software Programs and operating systems. Cloud computing Using remote servers over the internet for storage and processing. Moore's law The number of transistors on a chip doubles about every two years (Gordon Moore, 1965/1975). Open source Software whose code is freely available to use and modify. Growth in computing power made smartphones, AI and big data possible.
The full notes, worked example, interactive diagram and check questions for this subtopic are in the app.
Exam tip: Link computing to contexts: environmental (energy, e-waste), economic (market power), political (chip geopolitics).
4.2 The digital divideKey terms Digital divide Unequal access to and use of digital technologies. Digital literacy Skills to use and evaluate digital technologies. Connectivity Access to reliable internet. Digital inclusion Efforts to ensure everyone can participate. Around a third of the world's population is still offline (ITU, 2024), mostly in low-income and rural areas.
The full notes, worked example and check questions for this subtopic are in the app.
Exam tip: Use ITU statistics to quantify the divide.
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