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Question 9884 – Digital-Logic-Design
December 11, 2023
Question 9796 – Digital-Logic-Design
December 11, 2023
Question 9884 – Digital-Logic-Design
December 11, 2023
Question 9796 – Digital-Logic-Design
December 11, 2023

Digital-Logic-Design

Question 1

Which one of the following choices gives the correct values of x and y?
A
x is 1 and y is 1
B
x is 0 and y is 1
C
x is 1 and y is 0
D
x is 0 and y is 0
Question 1 Explanation: 

C2 checks the bits d1, d3, d4, d6, d7.

C2=1, d1= 1, d3= 1, d4= 0, d6= 0, d7= 1.

The number of 1s is even. So, even parity is used in this problem.

C1 checks the bits d1, d2, d4, d5, d7.

C1=0, d1= 1, d2= 0, d4= 0, d5= x, d7= 1.

As the parity used is even parity, the value of d5 should be 0.

x=d5=0

 

C8 checks the bitsa d5, d6, d7, d8.

C8=y, d5= x=0, d6= 0, d7= 1, d8= 1.

As the parity used is even parity, the value of C8 should be 0.

C8=y=0.

x=y=0.

Correct Answer: D
Question 1 Explanation: 

C2 checks the bits d1, d3, d4, d6, d7.

C2=1, d1= 1, d3= 1, d4= 0, d6= 0, d7= 1.

The number of 1s is even. So, even parity is used in this problem.

C1 checks the bits d1, d2, d4, d5, d7.

C1=0, d1= 1, d2= 0, d4= 0, d5= x, d7= 1.

As the parity used is even parity, the value of d5 should be 0.

x=d5=0

 

C8 checks the bitsa d5, d6, d7, d8.

C8=y, d5= x=0, d6= 0, d7= 1, d8= 1.

As the parity used is even parity, the value of C8 should be 0.

C8=y=0.

x=y=0.

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