1 votes 1 votes In stack architecture do we consider the bits for A as 32 bits or 64 ? Please explain the number of bits required in stack and accumulator architecture. CO and Architecture co-and-architecture cache-memory + – Xylene asked Aug 30, 2017 retagged Nov 13, 2017 by Arjun Xylene 1.7k views answer comment Share Follow See all 5 Comments See all 5 5 Comments reply Show 2 previous comments Xylene commented Aug 30, 2017 reply Follow Share Then whats the use of them specifying implicit and explicit operands ? @joshi_nitish . Please explain the difference between these two. 0 votes 0 votes joshi_nitish commented Aug 30, 2017 reply Follow Share @Xylene implicit operands is for 0 addr intrctn as in case of "ADD", in it no operand supplied explicitly but implicitly it is taking top 2 operands of stack and adding them, and the part given in qsn "data values are 32 bits integer", i think it is just given to confuse us. 0 votes 0 votes Xylene commented Aug 30, 2017 reply Follow Share In case of implicit operands, we take the values from the register without specifying the address like from accumulator. So here why are we not counting the register bits or data bits (integer) present inside this register ? In case of explicit operands we use the accumulator register (in case of accumulator architecture) so we should take 6 bits for A,B and C I guess.@joshi_nitish 0 votes 0 votes Please log in or register to add a comment.