Questions 11–12 of 12. Imported answers require independent review unless marked reviewed.

Topic practice 12 questionsPage 2 of 2

Question 38

Open question
ECMCQ2 marksNeeds review
P, Q, and R are the decimal integers corresponding to the 4-bit binary number 1100 considered in signed magnitude, 1’s complement, and 2’s complement representations, respectively. The 6-bit 2’s complement representation of (P + Q + R) is
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Question 43

Open question
ECMCQ2 marksNeeds review
Which one of the following gives the simplified sum of products expression for the Boolean function

, where

,

,

and

are minterms corresponding to the inputs

,

and

with

as the MSB and

as the LSB?
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