What are the answers for 12 and 13th questions

Electronics & Communication Digital Electronics
#1

1505393263120-1882768045
1505393263120-1882768045.jpg1836×3264 1.86 MB

#2

Reposting the same image with correct alignment

1505393263120-1882768045
1505393263120-1882768045.jpg3264×1836 1.87 MB

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#3

Option (b) is the correct option for 12th question
below is the solution

IMG_20170914_223017904~2 (1)
IMG_20170914_223017904~2 (1).jpg3303×2318 1.13 MB

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#4

Option (c) is the correct option for the 13th question
below is the solution

IMG_20170914_224744592~2
IMG_20170914_224744592~2.jpg3263×2277 1.02 MB

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#5

Correct answer ,nice

2 Likes
#6

may which book you are getting all these good questions