Electronics and Communication Engineering - Exam Questions Papers - Discussion

Discussion Forum : Exam Questions Papers - Exam Paper 3 (Q.No. 17)
17.
The function f = A ⊕ B ⊕ A ⊕ D ⊕ E ⊕ C ⊕ D ⊕ E ⊕ F ⊕ G ⊕ F ⊕ G ⊕ C ⊕ E ⊕ A ⊕ D ⊕ B ⊕ E ⊕ EB ⊕ B ⊕ B ⊕ B ⊕ D can be written as
A ⊕ B ⊕ D
A ⊕ B ⊕ E
A ⊕ E
AE
Answer: Option
Explanation:

A A B B C D D E E F G

2 1 3 3 2 3 1 4 1 2 2

0 A B B 0 D D 0 E 0 0

f = A ⊕ B ⊕ B ⊕ D ⊕ DE

= A ⊕ 1 ⊕ 1 ⊕ E

= A ⊕ 0 ⊕ E = AE.

Discussion:
2 comments Page 1 of 1.

Kavitha said:   1 year ago
21332314122 This shows that how many times the variable is repeated means A is repeated for 2 times, A' is repeated for 1 time like that in the next step make the even terms 0 and eliminate them.

Submit said:   5 years ago
How will come 21332314122? Please explain.

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