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The truth table for an S-R flip-flop has how many VALID entries?
- a)1
- b)2
- c)3
- d)4
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
The truth table for an S-R flip-flop has how many VALID entries?a)1b)2...
The SR flip-flop actually has three inputs, Set, Reset and its current state. The Invalid or Undefined State occurs at both S and R being at 1.
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The truth table for an S-R flip-flop has how many VALID entries?a)1b)2...
Understanding S-R Flip-Flop
An S-R (Set-Reset) flip-flop is a basic memory element in digital electronics used for storing binary data. Its operation is defined based on the two inputs: S (Set) and R (Reset). The behavior of this flip-flop can be summarized in a truth table.
Truth Table Entries
A typical S-R flip-flop has two inputs and one output. The inputs can be either 0 or 1, leading to the following combinations:
- S = 0, R = 0
- S = 0, R = 1
- S = 1, R = 0
- S = 1, R = 1
Valid Entries
Now, let’s evaluate these combinations for valid entries:
1. S = 0, R = 0: No change in output (hold state).
2. S = 0, R = 1: Reset the output to 0.
3. S = 1, R = 0: Set the output to 1.
4. S = 1, R = 1: This condition is considered invalid as it creates a race condition where both set and reset are active.
Conclusion
From the combinations above, the valid entries are:
- S = 0, R = 0 (Hold state)
- S = 0, R = 1 (Reset)
- S = 1, R = 0 (Set)
Thus, there are 3 valid entries in the truth table of an S-R flip-flop, confirming that the correct answer is option 'C'.
An S-R (Set-Reset) flip-flop is a basic memory element in digital electronics used for storing binary data. Its operation is defined based on the two inputs: S (Set) and R (Reset). The behavior of this flip-flop can be summarized in a truth table.
Truth Table Entries
A typical S-R flip-flop has two inputs and one output. The inputs can be either 0 or 1, leading to the following combinations:
- S = 0, R = 0
- S = 0, R = 1
- S = 1, R = 0
- S = 1, R = 1
Valid Entries
Now, let’s evaluate these combinations for valid entries:
1. S = 0, R = 0: No change in output (hold state).
2. S = 0, R = 1: Reset the output to 0.
3. S = 1, R = 0: Set the output to 1.
4. S = 1, R = 1: This condition is considered invalid as it creates a race condition where both set and reset are active.
Conclusion
From the combinations above, the valid entries are:
- S = 0, R = 0 (Hold state)
- S = 0, R = 1 (Reset)
- S = 1, R = 0 (Set)
Thus, there are 3 valid entries in the truth table of an S-R flip-flop, confirming that the correct answer is option 'C'.
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The truth table for an S-R flip-flop has how many VALID entries?a)1b)2c)3d)4Correct answer is option 'C'. Can you explain this answer? for Computer Science Engineering (CSE) 2025 is part of Computer Science Engineering (CSE) preparation. The Question and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus. Information about The truth table for an S-R flip-flop has how many VALID entries?a)1b)2c)3d)4Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Computer Science Engineering (CSE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The truth table for an S-R flip-flop has how many VALID entries?a)1b)2c)3d)4Correct answer is option 'C'. Can you explain this answer?.
The truth table for an S-R flip-flop has how many VALID entries?a)1b)2c)3d)4Correct answer is option 'C'. Can you explain this answer? for Computer Science Engineering (CSE) 2025 is part of Computer Science Engineering (CSE) preparation. The Question and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus. Information about The truth table for an S-R flip-flop has how many VALID entries?a)1b)2c)3d)4Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Computer Science Engineering (CSE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The truth table for an S-R flip-flop has how many VALID entries?a)1b)2c)3d)4Correct answer is option 'C'. Can you explain this answer?.
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