question bank chapter 4 digital design with msi
TRANSCRIPT
Digital Technique Mrs. Sunita M Dol, CSE Dept
Walchand Institute of Technology, Solapur Page 1
Chapter 4: Digital Design with MSI
1. BCD to 7-Segment Display Decoder consist of
a. 4 input and 7 output
b. 4 input and 8 output
c. 3 input and 7 output
d. none of above
2. Which multiplexer is used for designing the full adder?
a. 8:1
b. 16:1
c. 4:1
d. 32:1
3. Which of the following are advantages of use of multiplexer
a. Simplification of logic expression is not required
b. It minimize the IC package count
c. Logic design is simplifies
d. All of above
4. In which of the following circuit, there are no select lines
a. Multiplexer
b. Demultiplexer
c. Decoder
d. None of above
5. Decoder is __________
a. Many input to many output
b. One input to many output
c. Many input to one output
d. One input to one output
Digital Technique Mrs. Sunita M Dol, CSE Dept
Walchand Institute of Technology, Solapur Page 2
6. __________does not have data input
a. Multiplexer
b. Demultiplexer
c. Decoder
d. None of above
7. For 8-line to 256-line decoder, how many 4-line to 16-line decoders are
required?
a. 12
b. 13
c. 14
d. 16
8. __________ is a logic circuit that converts digits and/or some special
symbol to a binary coded format
a. Multiplexer
b. Demultiplexer
c. Decoder
d. Encoder
9. In which of the following code, decimal digits 0 to 9 are represented by their
natural binary equivalent using four bits
a. BCD
b. Gray code
c. Excess-3 code
d. None of the above
10. IC used for Decimal to BCD encoder is
a. 74147
b. 74151
c. 7432
d. 7404
Digital Technique Mrs. Sunita M Dol, CSE Dept
Walchand Institute of Technology, Solapur Page 3
11. IC used for Octal to Binary encoder is
a. 7408
b. 74148
c. 74147
d. 7404
12. How many 4-line to 16-line decoder are required to realise three 4-variable
functions
a. 1
b. 2
c. 3
d. 4
13. How many multiplexers are required to realise three 4-variable functions
a. 1
b. 2
c. 3
d. 4
14. How many demultiplexers are required to realise four 4-variable functions
a. 1
b. 2
c. 3
d. 4
15. How to represent zero using BCD to seven segment display
a. 1111110
b. 0110000
c. 1101101
d. 1111001
16. How to represent one using BCD to seven segment display
a. 1111110
b. 0110000
c. 1101101
Digital Technique Mrs. Sunita M Dol, CSE Dept
Walchand Institute of Technology, Solapur Page 4
d. 1111001
17. How to represent two using BCD to seven segment display
a. 1111110
b. 0110000
c. 1101101
d. 1111001
18. How to represent three using BCD to seven segment display
a. 1111110
b. 0110000
c. 1101101
d. 1111001
19. How to represent four using BCD to seven segment display
a. 0110011
b. 1011011
c. 0011111
d. 1110000
20. How to represent five using BCD to seven segment display
a. 0110011
b. 1011011
c. 0011111
d. 1110000
21. How to represent six using BCD to seven segment display
a. 0110011
b. 1011011
c. 0011111
d. 1110000
22. How to represent seven using BCD to seven segment display
a. 0110011
b. 1011011
Digital Technique Mrs. Sunita M Dol, CSE Dept
Walchand Institute of Technology, Solapur Page 5
c. 0011111
d. 1110000
23. How to represent eight using BCD to seven segment display
a. 0110011
b. 1011011
c. 1111111
d. 1110011
24. How to represent nine using BCD to seven segment display
a. 0110011
b. 1011011
c. 1111111
d. 1110011
25. IC used for BCD to 7-segment decoder is
a. 7408
b. 7447
c. 74147
d. 7404
Digital Technique Mrs. Sunita M Dol, CSE Dept
Walchand Institute of Technology, Solapur Page 6