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Learn: RAM vs ROM - Comparing Roles and Behaviour
OCR GCSE J277 Computer Science specification
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Welcome!Building on your knowledge of RAM and ROM, today we’ll explore their differences and how they work together in a computer. Let’s dive in and build on what you already know!
What is RAM?RAM stands for Random Access Memory. It is a type of volatile memory, meaning it loses its data when the computer is turned off. RAM is used to store data and instructions temporarily while the computer is running.
Quick check: Why is RAM considered volatile?
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What is ROM?ROM stands for Read-Only Memory. It is non-volatile memory, meaning it retains its data even when the computer is powered off. ROM is used to store the instructions needed to boot up the computer, such as the BIOS.
Key Differences Between RAM and ROMRAM and ROM have different roles and behaviours:RAM: Volatile, temporary storage for running programs.ROM: Non-volatile, permanent storage for start-up instructions.
Match the items on the left with their correct pairs on the right
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How RAM and ROM Work TogetherWhen a computer starts, ROM provides the instructions to boot the system. Once the operating system is loaded, RAM takes over to temporarily hold active data and programs. Both are essential for the computer to function.
RAM is {{blank0}} memory, while ROM is {{blank1}} memory.
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Review Time!Great work! You've learned about the roles and behaviours of RAM and ROM. Now, let's test your understanding with a few questions.
Which of the following are true about RAM? (Select all that apply)
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What is the main role of ROM in a computer?
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The {{blank0}} memory stores the BIOS, while the {{blank1}} memory holds running programs.
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Which statements about ROM are correct? (Select all that apply)
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