2014-15 Sem 1_Final

# 2014-15 Sem 1_Final - Brand Type of Calculator Your...

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ENGG1203 - Final Exam University Number: This pa,ge is intentionally left blank. Use it for scrap 1vork. No \Vork on this page \i;;rill be 111:.:J.rked. EEE/ENGG1203/2014 May Page 2 of 18
ENGGl203 - Final Exam University Number: Question I Question 1 Short Questions [30 pts] For the following multiple choice questions, you will earn 3 points for each correct answer, and lose 1 point for each answer that is wrong. You will not be deducted any mark if you leave an answer blank. 1. Consider the multiplication of two 2-bit numbers, resulting in a 4-bit number. What is the correct logic expression for c 2 ? a2 a1 x) b, bi C4 C3 Cz C1 A. a1b2 + 02bi B. 02b2 + a1b2 + 02bi C. (02 Ell bz) Ell (01 Ell b1) D. 02a1b2b1 + 0201 b,bi E. 01b2(02 + b1) + (01 + bz)o2b1 D 2. A resistor (R1 to R4) in the following circuit has failed, meaning it is either open or shorted. The following table compares the normal voltages across each load (when all resistors are functioning) versus the measured voltage with the failure. Based on this information, determine which resistor has failed and what type of failure it is. Assume the loads are simple resistors internally with unknown value. A. B. c. D. E. Load 1 Load 2 Load 3 R 1 shorted R2 open R 3 shorted R3 open R4 shorted normal voltage without failure measured voltage with failure 50V 35V 18V 9V 45V ov ov D EEE/ENGG1203/2014 May Page 3 of 18

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ENGG1203 - Final Exam University Number: Question 1
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• Fall '12
• Negative and non-negative numbers, University Number

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