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

This question was previously asked in
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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Detailed Solution

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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। 
  •  

    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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