TUT3_Memory (SOL).docx

TUT3_Memory (SOL).docx - CM1103 Computer Systems Tutorial 3...

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CM1103: Computer Systems Tutorial 3: Memory 1. What is the difference between volatile and non-volatile memory? Data in volatile memory is lost when power is removed. 2. What is the meaning of memory access time and how does it relate to memory latency? The time taken between asking for data and receiving all of it. Consists of latency and transfer time. Latency is the time to locate the data in memory. 3. What is the fastest type of memory available to the CPU? Registers (you might have said cache also) 4. What is the purpose of cache memory? Used to minimise the time it takes for the CPU to get data 5. Does the content of cache memory disappear with switching off the computer? Yes – it is volatile 6. If memory is described as L3 cache, what does L3 mean? Level 3 – there are two levels of cache which are closer to the CPU 7. State a benefit of using DRAM as system memory? Cheap, modular – can easily be replaced, added to, etc 8. Explain when and how would an upgrade of the BIOS be performed?
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  • Fall '19
  • Personal computer, Computer data storage

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