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