0 votes 0 votes Memory refreshing may be done 1) by the CPU that contains a special register counter only 2) by an external refresh controller only 3) either by the CPU or by an external refresh controller 4) None of the above CO and Architecture tancet2011 co-and-architecture + – Balaji Jegan asked Oct 23, 2018 • retagged Aug 6, 2022 by Shubham Sharma 2 Balaji Jegan 301 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.