Question 5

Computer Awareness Microprocessor and Microcontroller Easy

\[ \begin{array}{|l l|} \hline \textbf{List - I} & \textbf{List - II} \\ \hline (A) \quad \text{Asynchronous} & (II) \quad \text{The operation is not executed in step with the clock} \\ (B) \quad \text{Trigger} & (I) \quad \text{A pulse that causes a logic device to be activated or change state} \\ (C) \quad \text{J-K Flip-Flop} & (III) \quad \text{Flip-Flop with at least Set, Reset, Toggle, and Hold modes of operation} \\ (D) \quad \text{Flip-Flop} & (IV) \quad \text{Flip-Flop with at least Set and Reset modes of operation} \\ \hline \end{array} \] \(\textbf{Choose the correct answer from the options given below.}\)

(A) \( [(A - I); (B - II); (C - III); (D - IV)]\)
(B) \( [(A - II); (B - I); (C - III); (D - IV)]\)
(C) \( [(\mathrm{A}-\mathrm{III}) ;(\mathrm{B}-\mathrm{IV}) ;(\mathrm{C}-\mathrm{II}) ;(\mathrm{D}-\mathrm{I})] \)
(D) \( [(A - I); (B - II); (C - IV); (D - III)]\)
✓ Correct Answer: Option B Verified Solution

📘 Step-by-Step Solution & Detailed Explanation:

Match each term with its definition:

  • (A) Asynchronous: the operation is not executed in step with the clock → (II)
  • (B) Trigger: a pulse that activates a logic device or changes its state → (I)
  • (C) J-K flip-flop: has Set, Reset, Toggle and Hold modes → (III)
  • (D) Flip-flop (basic S-R type): has at least Set and Reset modes → (IV)

So A-II, B-I, C-III, D-IV.

Answer: (B)

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