Arrange the following steps in the correct order to understand the functioning of a 3 to 8 line decoder. $$ \text{(A). The encoder enable input is set to 1 } $$ $$ \text{ (B). The decoder activates one of its 8 output lines based on the input code. } $$ $$\text{ (C). The input binary code is applied to the decoder. } $$ $$ \text{(D). The decoder converts the 3-bit binary input into 8 possible outputs } $$
Step-by-step Solution:
Step 1: The enable input of the decoder must be set to 1. Without enabling, the decoder will not function.
Step 2: Apply the 3-bit input binary code to the decoder.
Step 3: The decoder interprets this binary input and internally converts it into one of the 8 possible outputs.
Step 4: Finally, the decoder activates exactly one output line corresponding to the input code, while all others remain 0.
Correct Order:
\[ (A) \;\;\rightarrow\;\; (C) \;\;\rightarrow\;\; (D) \;\;\rightarrow\;\; (B) \]
Correct Option: (C)
A 3-to-8 line decoder uses 3 input bits to uniquely select one of 8 output lines. - First, the decoder must be enabled. - Then, the input code is applied. - The decoder translates the input binary into one of the 8 outputs. - Finally, the corresponding output line is activated. Hence, the correct sequence is (A), (C), (D), (B).