4. In general, the NEXT STATE of a sequential logic circuit is determined by the

  1. MEMORY ELEMENTS
  2. INPUT LOGIC BLOCK
  3. OUTPUT LOGIC BLOCK
  4. INPUTS only
  5. OUTPUTS only

2 is CORRECT. In general, the INPUT LOGIC BLOCK determines the NEXT STATE (Yn+1) of a sequential logic circuit (SLC), since it directly controls the inputs to the MEMORY ELEMENTS.

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