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