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Introduction to S-R Flip Flop Video Lecture | Analog and Digital Electronics - Electrical Engineering (EE)

FAQs on Introduction to S-R Flip Flop Video Lecture - Analog and Digital Electronics - Electrical Engineering (EE)

1. What is an S-R flip flop?

Ans. An S-R flip flop is a type of sequential logic circuit that can store one bit of information. It consists of two inputs, S (set) and R (reset), and two outputs, Q (output) and Q' (complement of output). The flip flop changes its output state based on the input signals and its previous state.

2. How does an S-R flip flop work?

Ans. An S-R flip flop works based on the concept of feedback. When the S input is high and the R input is low, the flip flop is set, and the Q output becomes high. Conversely, when the R input is high and the S input is low, the flip flop is reset, and the Q output becomes low. If both S and R inputs are high or both are low, the flip flop remains in its current state.

3. What are the applications of S-R flip flops?

Ans. S-R flip flops are widely used in digital electronics for various applications, including memory circuits, registers, counters, and frequency dividers. They are also used in control systems, data storage devices, and in designing synchronous sequential circuits.

4. What is the difference between an S-R flip flop and a D flip flop?

Ans. The main difference between an S-R flip flop and a D flip flop is that the S-R flip flop has two inputs (S and R) that can both be active at the same time, leading to unpredictable behavior. On the other hand, a D flip flop has a single input (D) and a clock input, making it more reliable and suitable for most applications.

5. What are the advantages of using an S-R flip flop?

Ans. Some advantages of using an S-R flip flop include its simplicity in design, low power consumption, and compatibility with other sequential logic circuits. It can also be easily integrated into larger systems and is widely available in integrated circuit form. However, care must be taken to avoid the forbidden input states (both inputs high or both low) to prevent unpredictable outputs.

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Sep 25, 2025 Last updated

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