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Study Stuff for MCA Examinations - NIMCET
Study Stuff for MCA Examinations - NIMCET
Previous Year Question (PYQs)
Arrange the following steps in the correct order to understand the functioning of a 3 to 8 line decoder.
(A). The encoder enable input is set to 1.
(B). The decoder activates one of its 8 output lines based on the input code.
(C). The input binary code is applied to the decoder.
(D). The decoder converts the 3-bit binary input into 8 possible outputs.
Choose the correct answer from the options given below:
Solution
To understand the functioning of a 3-to-8 line decoder:
• (A) Enable input is set to 1.
• (C) Apply the 3-bit binary input.
• (D) Decoder converts the 3-bit input into 8 possible outputs.
• (B) Finally, one of the 8 output lines is activated based on the input code.
✅ Therefore, the correct sequence is: \[ (A), (C), (D), (B) \]
• (A) Enable input is set to 1.
• (C) Apply the 3-bit binary input.
• (D) Decoder converts the 3-bit input into 8 possible outputs.
• (B) Finally, one of the 8 output lines is activated based on the input code.
✅ Therefore, the correct sequence is: \[ (A), (C), (D), (B) \]
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