Shift Registers MCQs
Practice free Shift Registers multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 58 questions — no login required.
Question 28easy
A bidirectional 4-bit shift register is storing the nibble 1110. Its RIGHT / LEFT input is LOW. The nibble 0111 is waiting to be entered on the serial data-input line. After two clock pulses, the shift register is storing ________.
Question 29easy
In a parallel in/parallel out shift register, D0 = 1, D1 = 1, D2 = 1, and D3 = 0. After three clock pulses, the data outputs are ________.
Question 30easy
The group of bits 10110111 is serially shifted (right-most bit first) into an 8-bit parallel output shift register with an initial state 11110000. After two clock pulses, the register contains ________.
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Question 31easy
By adding recirculating lines to a 4-bit parallel-in, serial-out shift register, it becomes a ________, ________, and ________-out register.
Question 32easy
What type of register would have a complete binary number shifted in one bit at a time and have all the stored bits shifted out one at a time?
Question 33easy
When an 8-bit serial in/serial out shift register is used for a 20 s time delay, the clock frequency is ________.
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Question 34easy
Ring shift and Johnson counters are:
Question 35easy
A 74HC195 4-bit parallel access shift register can be used for ________.
Question 36easy
Which type of device may be used to interface a parallel data format with external equipment's serial format?