1 votes 1 votes In cycle stealing mode,the DMA gets control over ? 1. Data and address bus 2.Data and control bus 3.Address and control bus 4. None CO and Architecture co-and-architecture dma + – rahul sharma 5 asked May 27, 2017 retagged Nov 13, 2017 by Arjun rahul sharma 5 1.1k views answer comment Share Follow See all 3 Comments See all 3 3 Comments reply rahul sharma 5 commented May 27, 2017 reply Follow Share My doubt here is that:- As far as i know DMA takes control over all the buses,it needs address bus to communicate to memory,data bus for data transfer ,control bus for sending read/write signals to memory/Io. So please see even if it is a valid question,as i am not sure.Correct me if i am wring anywhere 0 votes 0 votes Bikram commented Jun 5, 2017 reply Follow Share it is system bus used in cycle stealing , no option for system bus hence option D 0 votes 0 votes sachin486 commented Aug 31, 2020 reply Follow Share option D because DMA acquire system bus which is combination of all three buses https://www.techopedia.com/definition/2307/system-bus 0 votes 0 votes Please log in or register to add a comment.
Best answer 1 votes 1 votes In cycle stealing mode,the DMA gets control over System Bus so option D is correct . Bikram answered Jun 5, 2017 selected Jun 21, 2017 by Bikram Bikram comment Share Follow See all 6 Comments See all 6 6 Comments reply Show 3 previous comments hem chandra joshi commented Jun 26, 2017 reply Follow Share no for it address and data bus. 1 votes 1 votes A_i_$_h commented Jun 26, 2017 reply Follow Share thank you :) 0 votes 0 votes rahul sharma 5 commented Nov 2, 2017 reply Follow Share @Bikram sir, But system bus consists of address lines data lines and control line? 0 votes 0 votes Please log in or register to add a comment.