एक सामान्य BCD से सात खंड विकोडक में इनपुट लाइनों की संख्या _____ है।

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ALP CBT 2 Electronic Mechanic Previous Paper: Held on 21 Jan 2019 Shift 2
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  1. 8
  2. 2
  3. 16
  4. 4

Answer (Detailed Solution Below)

Option 4 : 4
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  • BCD से 7-खंड विकोडक में, अंकन परिपथ के निर्गम को अक्सर दशमलव अंकों के रूप में प्रदर्शित किया जाता है।
  • BCD टू 7-खंड विकोडक एक संयोजन परिपथ है जो एक BCD नंबर को सिग्नल में परिवर्तित करता है जो कि सात-खंड प्रदर्शन पर उस नंबर के मान को प्रदर्शित करने के लिए आवश्यक होता है।
  • निवेश लाइनों की संख्या 4 है। 

 

F1 S.B Madhu 29.04.20 D1

F1 S.B Madhu 29.04.20 D2

नोट:

  • विकोडक निर्गम (a, b, c, d, e, f, g) हैं।
  • अंक 0 के प्रदर्शन के लिए, खंड a, b, c, d, e, f को ऊपर दिखाए अनुसार जलाया जाएगा।

0 से 9 तक के सभी अंकों के लिए एक सत्य सारणी बनाई जा सकती है।

अंक

D

C

B

A

a

b

c

d

c

f

g

हेक्स तुल्य

0

0

0

0

0

1

1

1

1

1

1

0

 7E

1

0

0

0

1

0

1

1

0

0

0

0

 30

2

0

0

1

0

1

1

0

1

1

0

1

6D

3

0

0

1

1

1

1

1

1

0

0

1

 79

4

0

1

0

0

0

1

1

0

0

1

1

 33

5

0

1

0

1

1

0

1

1

0

1

1

 5B

6

0

1

1

0

1

0

1

1

1

1

1

 5 F

7

0

1

1

1

1

1

1

0

0

0

0

 70

8

1

0

0

0

1

1

1

1

1

1

1

 7F

9

1

0

0

1

1

1

1

1

0

1

1

7B

 
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