Shift registers (SIPO, PISO, SISO, PIPO) MCQs

By: Prof. Dr. Fazal Rehman | Last updated: June 20, 2025

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1. Which type of shift register takes serial data input and provides parallel data output?





2. In which type of shift register is the data loaded in parallel and shifted out serially?





3. What does SISO stand for in the context of shift registers?





4. Which shift register type allows parallel loading and parallel output of data?





5. In a SIPO shift register, data is loaded:





6. Which register type is commonly used to convert serial data to parallel form?





7. In a PISO shift register, the data is inputted:





8. A shift register that shifts data bits to the right is known as:





9. Which shift register type is primarily used for temporary data storage?





10. What is the main application of a PISO shift register?





11. In a SISO shift register, how is data moved through the register?





12. Which component is essential for controlling the data flow in a shift register?





13. Which shift register can be used to convert parallel data to serial form?





14. The number of stages in a shift register determines:





15. Which type of shift register is typically used in digital communication systems?





16. What does the “P” in PISO stand for?





17. In a shift register, shifting occurs on the:





18. Which shift register type is most suitable for serial-to-parallel data conversion?





19. Which device often includes a shift register as part of its design?





20. In a PIPO shift register, data is:





 

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