The bit sequence 10011100 is serially entered (right-most bit first) into an 8-bit parallel out shift register that is initially clear. What are the Q outputs after four clock pulses?a.10011100b.00001100c.11000000d.11110000
Question
The bit sequence 10011100 is serially entered (right-most bit first) into an 8-bit parallel out shift register that is initially clear. What are the Q outputs after four clock pulses?a.10011100b.00001100c.11000000d.11110000
Solution
The bit sequence is entered serially from the right, so after four clock pulses, the four right-most bits (1100) would have been entered into the shift register. The remaining bits in the register would still be 0 as they have not been filled yet. So, the Q outputs after four clock pulses would be 00001100. Therefore, the correct answer is b.00001100.
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