041.pdf - King Fahd University of Petroleum Minerals Electrical Engineering Department EE-390 Exam-1 Prob.1 Prob.2 Prob.3 Total Dr Sheikh S Iqbal Name

041.pdf - King Fahd University of Petroleum Minerals...

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King Fahd University of Petroleum & Minerals Electrical Engineering Department EE-390; Exam-1 Prob.1 Prob.2 Prob.3 Total Dr. Sheikh S. Iqbal Name : Section : 1 I.D. Answer all three questions. All questions carry equal marks. 1(a). Write a debug command that will allow us to see entered (or assembled) assembly language program starting from CS:200. 1(b). How large is 8086’s internal-registers (in bits) ____________ and its data-bus (in bits) _____________. 1(c). Write a program ( 3 lines ) that will add two ASCII numbers already stored in AL and DL registers and store the result in DL register : _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ 1(d) If CS=1466 H , DS=246F H , ES=34E6 H , SS=4866 H , DI=0426 H , IP=0466 H , SI=0406 H , SP=0066 H , BP=0186 H , AX=2226 H , BX=1116 H , CX=0116 H ... (a) Find physical address (in Hex) of the ‘Program-code or assembly language instruction’ MPU will execute next Î P.A.= ___________ (b) Find physical address (in Hex) of the Stack segment, where the MPU is currently pointing Î P.A.= __________________
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2. For the given values of the table, solve the individual problems (a,b,c,d); [assume all other memory locations (not shown in table) have ‘ 00 H ’ values] Show how you obtained your solutions.
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  • Spring '13
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