Teaching HPSC Lecturer (Technical) Mock Test 2024 Computer Organization and Architecture I/O Interface
Consider 16 KBps IO device interfaced to 64–bit CPU using DMA interface in cycle–stealing mode. DMA contains 4–bit count register. Machine–cycle is 2 ms. What are the percentages of block time and busy time of CPU respectively?
1
70%, 30%
2
75%, 25%
3
80%, 20%
4
90%, 10%
5
Question Not Attempted