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Ashish Singh 3 asked Sep 1, 2016
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DMA CONTROLLER CYCLE STEALING
Please explain DMA cycle stealing mode with a timeline diagram. Does the DMA wait for 1 byte before aquiring the bus control and is this the same time when CPU utilizes the bus for it's own purpose ?
Please explain DMA cycle stealing mode with a timeline diagram.Does the DMA wait for 1 byte before aquiring the bus control and is this the same time when CPU utilizes th...
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aditi19 asked Dec 8, 2018
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can someone explain what is preparation time in DMA exactly? and why is it multiplied by CPU cycle time in most of the questions here? does preparation time means that a word is brought into disk controller buffer from hard disk and it utilizes CPU? PS-DMA is giving me headaches!!!
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11 votes
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prasitamukherjee asked Aug 9, 2016
17,688 views
Cycle Stealing(DMA)
In Cycle Stealing, does the DMA interrupt the processor everytime, or it uses the cycle while the processor remains unknown of the fact?
In Cycle Stealing, does the DMA interrupt the processor everytime, or it uses the cycle while the processor remains unknown of the fact?
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Na462 asked Oct 12, 2018
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Clock per instruction
What is the difference between Effective CPI and Average CPI ? A program is run on 40 MHZ with instruction mix and corresponding clock cycle count. Determine : * Effective CPI * Average CPI Instruction Clock Cycle Instruction Count Arithmetic 1 45000 Floating Point 2 32000 Data Transfer 2 15000 Control Transfer 2 8000
What is the difference between Effective CPI and Average CPI ?A program is run on 40 MHZ with instruction mix and corresponding clock cycle count.Determine : * Effecti...
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