Design a circuit to detect when 3 and only 3 bits are set
out of 8 bits.(eg. o0101100)
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Answer Posted / jayasuriya
Use a 8 bit parallel in serial out shift register. Use the
serial out bit to increment a counter(a 3 bit register), if
its one. After 8 shifts, compare the counter with 011b to
detect 3.
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