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.
Loading…
Loading…
Loading…
GCSE Computer Science · key term
A storage medium read using a laser, such as a CD, DVD or Blu-ray disc.
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.
Distinguish a low purchase price from a low cost per gigabyte. A cheap optical disc does not necessarily offer the cheapest storage for a large quantity of data.
Create a free account to read GCSE Computer Science revision notes for your exam board and track your progress.