Which of the following is not an example of primary memory?

Study for the End of Year 8 Computer Science Test. Prepare with flashcards and multiple choice questions, each with hints and explanations. Get ready for your exam!

Multiple Choice

Which of the following is not an example of primary memory?

Explanation:
Primary memory is the fast, directly accessible storage the CPU uses while a program runs. RAM holds the working data and instructions and is volatile, meaning it loses content when power is off. Cache memory, even smaller and closer to the CPU, speeds up repeated accesses. ROM stores essential firmware in a non-volatile way and is part of the system’s immediate memory space for boot and basic operations. The hard drive sits outside this fast-access memory as secondary storage: it keeps programs and data long-term, is non-volatile, and is much slower to access. Since it isn’t used directly by the CPU for active processing, it’s not considered primary memory. That’s why the hard drive is the correct choice.

Primary memory is the fast, directly accessible storage the CPU uses while a program runs. RAM holds the working data and instructions and is volatile, meaning it loses content when power is off. Cache memory, even smaller and closer to the CPU, speeds up repeated accesses. ROM stores essential firmware in a non-volatile way and is part of the system’s immediate memory space for boot and basic operations. The hard drive sits outside this fast-access memory as secondary storage: it keeps programs and data long-term, is non-volatile, and is much slower to access. Since it isn’t used directly by the CPU for active processing, it’s not considered primary memory. That’s why the hard drive is the correct choice.

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