In virtually all systems that include DMA modules, DMA access to main memory is given higher priority than CPU access to main memory. Why? [8.12]
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In virtually all systems that include DMA modules, DMA access to main memory is given higher priority than CPU access to main memory. Why? [8.12]
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- If a microprocessor has a cycle time of 0.5 nanoseconds, what’s the processor clock rate? If the fetch cycle is 40% of the processor cycle time, what memory access speed is required to implement load operations with zero wait states and load operations with two wait states?Describe the concept and benefits of memory mirroring.The idea of uneven memory access has yet to be properly described.
- Explain VM as a Tool for Memory Management ?Explain the concept of "page fault" in virtual memory systems and how it's handled by the operating system.The data transfer can be handled by various modes. some of the modes use CPU as an intermediate path, others transfer the data directly to and from the memory unit and this can be handled by 3 following ways: Programmed I/O, Interrupt-Initiated I/O and Direct Memory Access (DMA) Identify/define the data transfer processes involved in each method.
- How does non-uniform memory access vary from conventional memory access?Explain the concept of "overclocking" in relation to computer memory. What are the potential benefits and risks of overclocking memory modules, and how can it be done safely?Explain the concept of "memory interleaving" and its impact on memory access speed and bandwidth in multi-channel memory architectures.