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A basic latch circuit can be constructed using
- a)2 NOT gates
- b)2 AND gates
- c)2 OR gates
- d)2 Exor Gates
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
A basic latch circuit can be constructed usinga)2 NOT gatesb)2 AND gat...
The basic latch circuit can be constructed using 2 NOT gates.
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A basic latch circuit can be constructed usinga)2 NOT gatesb)2 AND gat...
Understanding Latch Circuits
A latch is a basic memory circuit that can store one bit of information. The simplest form of a latch can be constructed using two NOT gates, leading to the correct answer being option 'A'.
Components of a Basic Latch
- NOT Gates: A NOT gate inverts the input signal. When used in pairs, NOT gates can create feedback loops, which is essential for storing a state.
- Feedback Mechanism: The output of one NOT gate is connected to the input of the other, creating a stable state that can hold a value (either 0 or 1).
Operation of a Latch with NOT Gates
- Set State: When the input is activated, the first NOT gate generates a high signal, which the second NOT gate inverts, creating a stable output.
- Reset State: Conversely, when the input is deactivated, the first NOT gate maintains the output, effectively "latching" the last state.
Why Other Options Are Incorrect
- AND Gates: They require both inputs to be high to output a high signal, making them unsuitable for latching.
- OR Gates: Similar to AND gates, they do not provide the necessary feedback to maintain a steady state.
- XOR Gates: These gates output high only when inputs differ, and cannot maintain a stable state without continuous input changes.
Conclusion
In summary, a basic latch circuit can effectively be constructed using two NOT gates due to their ability to create a feedback loop that enables the storage of a single bit of information. This unique property makes NOT gates the ideal choice for simple latch designs.
A latch is a basic memory circuit that can store one bit of information. The simplest form of a latch can be constructed using two NOT gates, leading to the correct answer being option 'A'.
Components of a Basic Latch
- NOT Gates: A NOT gate inverts the input signal. When used in pairs, NOT gates can create feedback loops, which is essential for storing a state.
- Feedback Mechanism: The output of one NOT gate is connected to the input of the other, creating a stable state that can hold a value (either 0 or 1).
Operation of a Latch with NOT Gates
- Set State: When the input is activated, the first NOT gate generates a high signal, which the second NOT gate inverts, creating a stable output.
- Reset State: Conversely, when the input is deactivated, the first NOT gate maintains the output, effectively "latching" the last state.
Why Other Options Are Incorrect
- AND Gates: They require both inputs to be high to output a high signal, making them unsuitable for latching.
- OR Gates: Similar to AND gates, they do not provide the necessary feedback to maintain a steady state.
- XOR Gates: These gates output high only when inputs differ, and cannot maintain a stable state without continuous input changes.
Conclusion
In summary, a basic latch circuit can effectively be constructed using two NOT gates due to their ability to create a feedback loop that enables the storage of a single bit of information. This unique property makes NOT gates the ideal choice for simple latch designs.
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A basic latch circuit can be constructed usinga)2 NOT gatesb)2 AND gatesc)2 OR gatesd)2 Exor GatesCorrect answer is option 'A'. Can you explain this answer? for Railways 2025 is part of Railways preparation. The Question and answers have been prepared according to the Railways exam syllabus. Information about A basic latch circuit can be constructed usinga)2 NOT gatesb)2 AND gatesc)2 OR gatesd)2 Exor GatesCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Railways 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A basic latch circuit can be constructed usinga)2 NOT gatesb)2 AND gatesc)2 OR gatesd)2 Exor GatesCorrect answer is option 'A'. Can you explain this answer?.
A basic latch circuit can be constructed usinga)2 NOT gatesb)2 AND gatesc)2 OR gatesd)2 Exor GatesCorrect answer is option 'A'. Can you explain this answer? for Railways 2025 is part of Railways preparation. The Question and answers have been prepared according to the Railways exam syllabus. Information about A basic latch circuit can be constructed usinga)2 NOT gatesb)2 AND gatesc)2 OR gatesd)2 Exor GatesCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Railways 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A basic latch circuit can be constructed usinga)2 NOT gatesb)2 AND gatesc)2 OR gatesd)2 Exor GatesCorrect answer is option 'A'. Can you explain this answer?.
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