Question
Download Solution PDFWhich of the following gates gives output 1 when any one of the input is 1?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is option 1.
Types of logic gates
1.) OR gate
A | B | Y = A+B |
0 | 0 | 0 |
1 | 0 | 1 |
0 | 1 | 1 |
1 | 1 | 1 |
When any of the inputs is high, the output is always high.
When all the inputs are low, then only the output is low.
2.) AND Gate
A | B | Y = AB |
0 | 0 | 0 |
1 | 0 | 0 |
0 | 1 | 0 |
1 | 1 | 1 |
When any of the inputs is low, the output is always low.
When all the inputs are high, then only the output is high.
3.) NOR Gate
A | B | Y =\(\overline{A+B}\) |
0 | 0 | 1 |
1 | 0 | 0 |
0 | 1 | 0 |
1 | 1 | 0 |
When any of the inputs is high, the output is always low.
When all the inputs are low, then only the output is high.
4.) NAND Gate
A | B | Y = \(\overline{AB}\) |
0 | 0 | 1 |
1 | 0 | 1 |
0 | 1 | 1 |
1 | 1 | 0 |
When any of the inputs is low, the output is always high.
When all the inputs are high, then only the output is low.
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