Q. What is logic gate? Write about AND logic gate and OR logic gate with truth table.

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GK SIR
Mar 25, 2023 06:07 PM 0 Answers Spreadsheet
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Logic Gate

  • Logic gates are the basic building blocks of any digital system.
  • It is an electronic circuit having one or more than one input and only one output.
  • Based on logics, gates are named as AND gate, OR gate, NOT gate etc.

AND Gate

A circuit or gate where output will be true if all of the inputs are true.

Truth Table of 2-input AND gate

Input 1 (A)

0

Input 2 (B)

Output (Q: (A,B)

Input 1 (A) Input 2 (B) Output (Q:A.B
0 0 0
0 1 0
1 0 0
1 1 1

 

OR Gate

A circuit or gate where output will be true if any one of the inputs is true.

Truth Table of 2-input OR gate

Input1 (A) Input 2 (B) Output (Q:A+B)
0 0 0
0 1 1
1 0 1
1 1 1

 

लजिक गेट

  • लजिक गेट कुनै पनि डिजिटल सिस्टमको निर्माणका लागि आवश्यक आधारभूत तत्त्व हो ।
  • यो विद्युतीय सर्किट हो जसले एक वा सो भन्दा बढी इनपुट लिन्छ र एक मात्र आउटपुट दिन्छ ।
  • लजिक गेटमा प्रयोग हुने लजिकका आधारमा AND gate, OR gate, NOT gate जस्ता गेटहरु निर्माण हुन्छन् ।

AND Gate

यो सर्किटमा दिइएका प्रत्येक इनपुट सही (१) छन् भने मात्र आउटपुट सही (१) आउँछन अन्यथा गलत (०) आउटपुट आउँछ ।

 

Truth Table of 2-input AND gate

Input 1 (A) Input 2 (B) Output (Q:A+B)
0 0 0
0 1 0
1 0 0
1 1 1

OR Gate

यो सर्किटमा दिइएका इनपुटमध्ये कुनै एउटा इनपुट सही (१) छन् भने आउटपुट सही (१) आउँछन अन्यथा गलत (०) आउटपुट आउँछ ।

Truth Table of 2-input OR gate

Input 1 (A) Input 2 (B) Output (Q:A+B)
0 0 0
0 1 1
1 0 1
1 1 1
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