Combinational Logic Design MCQ Quiz {part1} Leave a Comment / Electronics Multiple choice question MCQ Share this 0% 0 votes, 0 avg 1 Created on November 12, 2022Digital electronics Combinational Logic Design {Part 1} 1 / 23 Category: Combinational Logic Design 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 a receiver a multiplexer a demultiplexer a transmitter 2 / 23 Category: Combinational Logic Design 2. A 32:1 mux can be designed using two 16:1 muxs and one two input AND gate two 16:1 muxs and two two-input OR gates two 16:1 muxs and one two input OR gate two 16:1 muxs only 3 / 23 Category: Combinational Logic Design 3. The number of 1:16 demultiplexers required for designing a 4-output 4-variable combinational circuit is 1 4 16 8 4 / 23 Category: Combinational Logic Design 4. Which of the following logic circuits takes data from a single source and distributes it to one of several output lines? multiplexer decoder encoder demultiplexer 5 / 23 Category: Combinational Logic Design 5. A Demultiplexer is used to perform arithmetic division steer the data from a single input to one of the many outputs perform parity checking select data from several inputs and route it to a single output 6 / 23 Category: Combinational Logic Design 6. A MUX with its address bits generated by a counter operates as a modified multiplexer serial-to-parallel converter modified counter parallel-to-serial converter 7 / 23 Category: Combinational Logic Design 7. A logic circuit that converts an n-input binary code into a corresponding single numeric output is called an encoder a decoder a converter a code converter 8 / 23 Category: Combinational Logic Design 8. The number of 4-line-to-16-line decoders required to make an 8-line-to-256-line decoder is 16 64 32 17 9 / 23 Category: Combinational Logic Design 9. A 4-variable logic circuit can be designed using two 8:1 multiplexers and one 2:1 multiplexer an 8:1 multiplexer and one inverter any of these a 16:1 multiplexer 10 / 23 Category: Combinational Logic Design 10. Selection of the input with the higher priority by an encoder is called priority selection arbitration none of these input selection 11 / 23 Category: Combinational Logic Design 11. A 16:1 multiplexer can be used to design full-adder BCD to binary code converter BCD to 7 segment decoder 4 variable logic function 12 / 23 Category: Combinational Logic Design 12. A multiplexer with four select bits is a 32:1 multiplexer 16:1 multiplexer 4:1 multiplexer 8:1 multiplexer 13 / 23 Category: Combinational Logic Design 13. In the hexadecimal to binary priority encoder 7 (hex) has the lowest priority F (hex) has the highest priority 0 (hex) has the highest priority F (hex) has the lowest priority 14 / 23 Category: Combinational Logic Design 14. A demultiplexer with 4-bit select input has one data input and four data output lines one data input and sixteen data output lines one data input and eight data output lines one data input and ten data output lines 15 / 23 Category: Combinational Logic Design 15. A combinational logic circuit which is used to send data coming from a single source to two or more separate destinations is called an encoder a decoder a demultiplexer a multiplexer 16 / 23 Category: Combinational Logic Design 16. ABCD to XS-3 code converter can be designed using a 1:16 de multiplexer two 16:1 multiplexers none of these a 16:1 multiplexer 17 / 23 Category: Combinational Logic Design 17. A binary-to-octal decoder is a 3-line to 8-line decoder 1-line to 8-line decoder 4-line to 8-line decoder any lines-to-8 line decoder 18 / 23 Category: Combinational Logic Design 18. The number of 3-line-to-8-line decoders required for selecting 1 out of 64 is 9 16 4 8 19 / 23 Category: Combinational Logic Design 19. What is the largest number of data inputs which a data selector with two control inputs can handle? 2 8 4 16 20 / 23 Category: Combinational Logic Design 20. Selection of the input with the higher priority by an encoder is called input selection priority selection none of these arbitration 21 / 23 Category: Combinational Logic Design 21. A multiplexer is also known as a data distributor a data restorer a data accumulator a data selector 22 / 23 Category: Combinational Logic Design 22. Which logic device is called a distributor? encoder decoder demultiplexer multiplexer 23 / 23 Category: Combinational Logic Design 23. A BCD-to-decimal decoder is any lines to 10-lines decode a 3-line to 8-line decoder a 4-line to 10-line decoder a 1-line to 10-line decoder Your score is LinkedIn Facebook Twitter VKontakte 0% Restart quiz Exit Send feedback Share this