0 votes 0 votes A RAM chip has a capacity of 1024 words of 8 bits each (1K x 8). The number of 2 x 4 decoders with enable line needed to construct a 32K x 8 RAM from 1K x 8 RAM is (a) 4 (b) 5 (c)6 (d) 7 Sankalp Sharma asked Dec 28, 2018 • edited Dec 28, 2018 by Sankalp Sharma Sankalp Sharma 1.1k views answer comment Share Follow See all 7 Comments See all 7 7 Comments reply Show 4 previous comments Sankalp Sharma commented Dec 28, 2018 reply Follow Share I am getting total 10 decoder required which matches to none of the options 0 votes 0 votes register_user_19 commented Dec 29, 2018 reply Follow Share @Gupta731 how it can be 5 ?? @Sankalp Sharma last column total output is 7*4 = 28, 1 more decoder required. i am getting 11 ??? as in this question https://www.geeksforgeeks.org/gate-gate-cs-2013-question-46/ we have to construct 16K × 16 RAM. here it is 32K x 8 0 votes 0 votes Sankalp Sharma commented Dec 29, 2018 reply Follow Share yes last one decoder is also required total 11 decoder is required. 0 votes 0 votes Please log in or register to add a comment.
