24) Introduction of negative feedback in a system
Answer is:
decreases the output
ISRO Technician-B Electrician Question Paper - 2015 (Set - 1) with Answer Key
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Answer is:
4 flipflops
Explanation:
A decade counter is a type of counter circuit that goes through ten unique states, counting from 0 to 9, and then resets to 0. Each flip-flop represents a binary bit in the count sequence. Since a binary-coded decimal (BCD) representation of 10 requires 4 bits (from 0000 to 1001), a decade counter typically requires 4 flip-flops to cover the entire count range.
