The Midterm Solution - Suraj @ LUMS - Lahore University of ...

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The initial state of the memory (in hexadecimal notation) is detailed on page 6.Suppose the program counter is initialized so that the instruction at location 100h isexecuted first.Step through the program, updating the appropriate registers and memory locations,until the Halt instruction is reached.Answer the questions using the table provided on the next page detailing the initial contents ofmemory. You may also use the reverse side for rough work if necessary.a) What is the value of memory location 11Ah?_________0003 h_________b) What is the value of memory location 11Ch?_________0008 h or 0005 h______c) What is the value of memory location 11Eh?_________0003 h_______________d) What is the value of memory location 120h?_________000A h_______________e) What is the value of memory location 122h?_________0002 h_________________________f) What is the value of memory location 124h?_________0004 h_________________________PTOPage 6 of 16
Initial Contents of Memory in hex:Rough WorkLocation Contents100 011C102 3122104 1120106 011A108 211E10A 111A10C 411210E 1120110 1124112 011C114 211A116 111C118 700011A 0000Step No:1. AC= 00052. AC= 000A3. location 120: 000A4. AC= 00005. AC= 00036. location 11A: 00037. PC = 1128. AC= 00059. AC= 000810. location 11C = 0008OR Alternatively7. PC = 11C8. Can not continue, as we don’tknow the contents of location00511C 000511E 0003120 0000122 0002124 0004Page 7 of 16
Page 1 and 2: Lahore University Of Management Sci
Page 3: S. Masud & T. Jadoon Computer Organ
Page 9 and 10: OR GateA15A14OR GateA133X8 DecoderA
Page 11 and 12: d) What will be the corresponding t
Page 13 and 14: 0002 00 h0003 09 h0004 00 h0005 42
Page 15 and 16: Part C [15 marks]26. Which techniqu

The Midterm Solution - Suraj @ LUMS - Lahore University of ...

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