1 votes 1 votes Predict the accumulator content after following instructions:XRA A MVI B, F0H SUB B a. F0 H b. 0FH c.01 H d. 10H Unknown Category microprogramming kerala-psc + – sh!va asked Jul 7, 2016 sh!va 2.5k views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
Best answer 2 votes 2 votes XRA means ACC XOR ACC this will load 0000 0000 in ACC MVI B (F0)H will load (11110000) in B Sub B will be (ACC-B )loaded in ACC so, 0000 0000 // ACC Content -1111 0000 // B content = 0001 0000 =(10) H //ACC content after Sub B So option D gshivam63 answered Jul 8, 2016 selected Jul 8, 2016 by sh!va gshivam63 comment Share Follow See all 0 reply Please log in or register to add a comment.