8 votes 8 votes A microprogrammed control unit Is faster than a hard-wired control unit. Facilitates easy implementation of new instruction. Is useful when very small programs are to be run. Usually refers to the control unit of a microprocessor. CO and Architecture gate1987 co-and-architecture control-unit microprogramming + – makhdoom ghaya asked Nov 8, 2016 • reopened Jun 12, 2021 by Arjun makhdoom ghaya 7.4k views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
Best answer 33 votes 33 votes is wrong. Microprogrammed Control Unit (CU) can never be faster than hardwired CU. Microprogrammed CU it has an extra layer on top of hardwired CU and hence can only be slower than hardwired CU. is a suitable answer as we can add new instruction by changing the content of control memory. is not correct as when only small programs are there, hardwired control makes more sense. control unit can also be hardwired, so this is also not correct. Reference: Slides Correct Answer: $B$ Arjun answered Aug 27, 2014 • edited Jun 12, 2021 by Arjun Arjun comment Share Follow See all 7 Comments See all 7 7 Comments reply Show 4 previous comments akash.dinkar12 commented Jan 4, 2019 reply Follow Share @Arjun Sir above reference link is not working... 0 votes 0 votes Doraemon commented Nov 16, 2019 reply Follow Share I cannot really understand the relation between the length of programs and the use of hardwired/microprogrammed control units. few points I thought about. if we have only small length of programs then will have less complexity of the hardwired circuit.because of less number of instructions. but having small length programm doesnot guarantee us that we will have less number of instructions .In total we might have a large number of different instructions.(making the circuit complex ) if we have large length programs then we will have more complexity of the hardwired circuit.because of more number of instructions. but having large length program doesnot guarantee us that we will have large number of instructions .In total we might have a programs using only a small set of instructions.thus less hardwire required. so the length of program doesnot determine the which type of control unit to use. 2 votes 2 votes palashbehra5 commented Nov 3, 2021 reply Follow Share https://web.archive.org/web/20151211075340/http://www2.mta.ac.il/~carmi/Teaching/Architecture/SlidesOriginal/ch07%20-%20Microprogrammed%20Control.pdf 0 votes 0 votes Please log in or register to add a comment.
5 votes 5 votes B. Facilitates easy implementation of new instruction. biranchi answered Dec 26, 2016 biranchi comment Share Follow See all 3 Comments See all 3 3 Comments reply hem chandra joshi commented Jul 3, 2017 reply Follow Share can u explain this option more ...what does it means? 0 votes 0 votes akash.dinkar12 commented Oct 27, 2017 reply Follow Share Gate1987-1-vi follow this link.... 1 votes 1 votes shruti gupta1 commented Oct 7, 2018 reply Follow Share it will clear 9 votes 9 votes Please log in or register to add a comment.