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Question 155Asked in CIL MT Systems, 24 Aug 2026 (3:00 PM, CBT-26)

Consider a Mealy machine designed to process a sequence representing the presence of mineral samples ('M') and non-mineral samples ('N') during a geological…

Consider a Mealy machine designed to process a sequence representing the presence of mineral samples ('M') and non-mineral samples ('N') during a geological survey. The machine outputs 'A' when the current sample is 'M' and the previous sample was 'N', otherwise it outputs 'B'. Which description below correctly reflects the machine's output behavior?
  1. AIt produces output based on both the current input and the previous state.
  2. BIt produces output based only on the current input symbol.
  3. CIt waits until the next transition to output a value.
  4. DIt changes output only when the input switches from 'M' to 'N'.
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Correct answer: (A) It produces output based on both the current input and the previous state.

From CIL MT Systems PYQ, 24 Aug 2026 (3:00 PM, CBT-26)

This is question 155 of CIL MT Systems PYQ, 24 Aug 2026 (3:00 PM, CBT-26). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.