Combinational Logic Design MCQ Quiz {part1}

1. A logic circuit that accepts several data inputs and allows only one of them at a time to get through to the output is called

2. A 32:1 mux can be designed using

3. The number of 1:16 demultiplexers required for designing a 4-output 4-variable combinational circuit is

4. Which of the following logic circuits takes data from a single source and distributes it to one of several output lines?

5. A Demultiplexer is used to 

6. A MUX with its address bits generated by a counter operates as a

7. A logic circuit that converts an n-input binary code into a corresponding single numeric output is called

8. The number of 4-line-to-16-line decoders required to make an 8-line-to-256-line decoder is

9. A 4-variable logic circuit can be designed using

10. Selection of the input with the higher priority by an encoder is called

11. A 16:1 multiplexer can be used to design

12. A multiplexer with four select bits is a

13. In the hexadecimal to binary priority encoder

14. A demultiplexer with 4-bit select input has

15. A combinational logic circuit which is used to send data coming from a single source to two or more separate destinations is called

16. ABCD to XS-3 code converter can be designed using

17. A binary-to-octal decoder is a

18. The number of 3-line-to-8-line decoders required for selecting 1 out of 64 is

19. What is the largest number of data inputs which a data selector with two control inputs can handle?

20.

Selection of the input with the higher priority by an encoder is called

21. A multiplexer is also known as

22. Which logic device is called a distributor?

23. A BCD-to-decimal decoder is