Lecture 08 Mid Term Revision

Question 1 Convert 4510 to hex Convert 62910 to hex Perform hex addition: 23D9 + 94BE Show one of the widely used for address decoding in computer design Design logic circuit used to store data Design logic circuit used in arithmetic logic unit in the microprocessors

Answer 1

Answer 1 C .

1.D Show one of the widely used for address decoding in computer design

1. E Design logic circuit used to store data

1.F Design logic circuit used in arithmetic logic unit in the microprocessors

Question 2 Explain with drawing Microprocessor 8068 Block diagram

Question 3 Which of the following instructions can’t be executed by microprocessor 8068, Give the reason why not if any? Assume all numbers are hex. (a) MOV AX,27 (b) MOV AL,97F (c) MOV DS,9BF2 (d) MOV CX,397 (e) MOV SI,9516 (f) MOV CS,3490 (g) MOV DS,BX (h) MOV BX,CS (i) MOV CH,AX (J) MOV AX,23FB9 (k) MOV CS,BH (l) MOV AX,DL