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    PracticeAQA GCSEAQA GCSE Computer Science Paper 2Question 09.2
    Easy2 marksStructured
    Computer systemsGeneralstorageSSDHDD

    AQA GCSE · Question 09.2 · Computer systems

    Many new computers use solid-state storage for secondary storage rather than magnetic storage. Explain why solid-state storage is not fitted to every new computer.

    How to approach this question

    1. Identify the main drawback of solid-state storage (SSD) compared to magnetic storage (HDD). 2. Think about the key factors manufacturers consider when building computers for different markets (e.g., budget vs. high-end). 3. The primary difference is often cost versus performance. Explain how this trade-off leads to some computers still using the older technology.

    Full Answer

    While solid-state drives (SSDs) offer significant performance advantages over magnetic hard disk drives (HDDs) — such as faster read/write speeds, lower power consumption, and greater durability — they are not used in every new computer primarily due to **cost**. SSDs have a higher cost per gigabyte (GB) of storage than HDDs. For manufacturers producing budget or entry-level computers, using a traditional HDD allows them to keep the final retail price of the machine lower. Alternatively, for the same cost, they can offer a much larger storage capacity with an HDD than they could with an SSD, which can be a key selling point for users who need to store large files like videos and games.

    Common mistakes

    ✗ Stating that SSDs have lower capacity. While often true for a given price point, it's the cost that is the root cause. ✗ Claiming SSDs are less reliable. Modern SSDs have a long lifespan, although they have a finite number of writes, this is not typically a concern for average users. ✗ Confusing solid-state storage with other types of memory like RAM.
    Question 09.1All questionsQuestion 10

    Practice the full AQA GCSE Computer Science Paper 2

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