Problem Statement: Determine the output waveform for Q. Initially, Q = 0. CLK K Sp RD 0. 0 O 1 j=1 k = 1 TOGGLE CLK j=0 k=1 J K RESET C Sp | 2² O |0 j=1 k=0 SET

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Did I do this flip flop correctly?

 

**Problem Statement:**

Determine the output waveform for Q. Initially, Q = 0.

---

**Diagram Explanation:**

The image contains a schematic of a JK flip-flop circuit along with waveform diagrams for the clock (CLK), inputs (J and K), set (S\_D), reset (R\_D), and output (Q).

1. **JK Flip-Flop Schematic:** 
   - The diagram on the top right shows a JK flip-flop with inputs J, K, clock (CLK), and asynchronous set (S\_D) and reset (R\_D) inputs. Outputs are Q and \(\overline{Q}\).

2. **Waveform Explanation:**

   - **CLK (Clock Signal):** Alternates between 0 and 1, representing clock pulses.
   
   - **J Input:**
     - Starts at 0, then switches to 1 and back to 0, before returning to 1.

   - **K Input:**
     - Initially at 1, remains constant throughout the waveform.

   - **S\_D (Set Input):**
     - Is consistently at 1, indicating the set input is held high.

   - **R\_D (Reset Input):**
     - Starts at 0, switches to 1 midway, and remains high.

   - **Q Output:**
     - The waveform shows Q toggling when both J = 1 and K = 1. The signal is reset when R\_D is activated. It remains set when J = 1 and K = 0, demonstrating the characteristic behavior of the JK flip-flop.
  
The graph illustrates the operation of the JK flip-flop, showing toggle, reset, and set actions according to the input conditions described.
Transcribed Image Text:**Problem Statement:** Determine the output waveform for Q. Initially, Q = 0. --- **Diagram Explanation:** The image contains a schematic of a JK flip-flop circuit along with waveform diagrams for the clock (CLK), inputs (J and K), set (S\_D), reset (R\_D), and output (Q). 1. **JK Flip-Flop Schematic:** - The diagram on the top right shows a JK flip-flop with inputs J, K, clock (CLK), and asynchronous set (S\_D) and reset (R\_D) inputs. Outputs are Q and \(\overline{Q}\). 2. **Waveform Explanation:** - **CLK (Clock Signal):** Alternates between 0 and 1, representing clock pulses. - **J Input:** - Starts at 0, then switches to 1 and back to 0, before returning to 1. - **K Input:** - Initially at 1, remains constant throughout the waveform. - **S\_D (Set Input):** - Is consistently at 1, indicating the set input is held high. - **R\_D (Reset Input):** - Starts at 0, switches to 1 midway, and remains high. - **Q Output:** - The waveform shows Q toggling when both J = 1 and K = 1. The signal is reset when R\_D is activated. It remains set when J = 1 and K = 0, demonstrating the characteristic behavior of the JK flip-flop. The graph illustrates the operation of the JK flip-flop, showing toggle, reset, and set actions according to the input conditions described.
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