OCR GCSE Computer Science · J277
Paper 1
Revise: Comparing Storage DevicesExamples include magnetic hard disk drives (HDDs), solid-state drives (SSDs) and optical discs such as CDs, DVDs and Blu-rays.
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GCSE Computer Science · key term
A magnetic secondary storage device that offers high capacity and generally low cost per gigabyte, but contains moving parts.
Used by OCR
Paper 1
Revise: Comparing Storage DevicesExamples include magnetic hard disk drives (HDDs), solid-state drives (SSDs) and optical discs such as CDs, DVDs and Blu-rays.
Make comparisons explicit: an SSD generally has faster read/write speeds than an HDD, rather than simply saying it is fast.
Avoid absolute claims such as ‘SSDs cannot break’ or ‘HDDs cannot be transported’. Compare their relative strengths and weaknesses.
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