03/10/2023, 13:58 Digital Circuit Quiz
Digital Circuit Quiz
MCQ
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4. 1. F's complement of hex number (2BFD) is * 1 point
Mark only one oval.
E304
D403
D402
C403
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03/10/2023, 13:58 Digital Circuit Quiz
5. 2.What boolean function does following circuit represents? * 1 point
Check all that apply.
A[F+(B+C).(D+E)]
A+BC+DE+F
A(B+C)+A(D+E)+F
None
6. 3.The simplified SOP form of the k-map shown below is 1 point
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!a!b+ab
ad+ !b
!a!b+ab+ad
a!b+!ab+ad
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03/10/2023, 13:58 Digital Circuit Quiz
7. 4.How many numbers of NAND gates are required to implement the 1 point
following function by taking inputs A, B, C, D, E, and F?
F= !AC+!DF+!BC+!EF
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8. The boolan expression for following truth table 1 point
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03/10/2023, 13:58 Digital Circuit Quiz
9. 6. 1 point
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110001
101000
110101
111110
10. 7. 1 point
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03/10/2023, 13:58 Digital Circuit Quiz
11. 8. 1 point
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010101
101010
remains at '0'
remains at '1'
12. 9. which of the following can be represented ads 2's complement of -7? 1 point
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(a) 1001
(b)111001
(c) both (a)& (b)
None
13. 10.In the expression A+BC, the total number of minterms 1 point
will be
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03/10/2023, 13:58 Digital Circuit Quiz
14. 11. 1 point
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x and z
15. 12. A Number is expressed in binary two's complement as 10011. its 1 point
decimal equivalent value is
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13
19
-13
-19
16. 13. 1 point
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03/10/2023, 13:58 Digital Circuit Quiz
17. 14 1 point
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NOR,OR
OR,NAND
NAND,OR
AND,NAND
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03/10/2023, 13:58 Digital Circuit Quiz
18. 15. The output Y in the circuit below is always '1' when 1 point
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19. 16. 1 point
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03/10/2023, 13:58 Digital Circuit Quiz
20. 17. 1 point
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21. 18. 1 point
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03/10/2023, 13:58 Digital Circuit Quiz
22. 19. 1 point
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23. 20. 1 point
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03/10/2023, 13:58 Digital Circuit Quiz
24. 21. 1 point
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25. 22. 1 point
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03/10/2023, 13:58 Digital Circuit Quiz
26. 23. 1 point
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27. 24. In Digital computer , binary subtraction is performed in 1 point
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In the same way as we performed in decimal number system
using two's complement method
using 9's complement method
using 10's complement method
28. 25. The greatest negative number which can be stored in a computer that 1 point
has 8-bit word length and uses 2's complement arithmatic is
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-256
-128
-255
-127
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03/10/2023, 13:58 Digital Circuit Quiz
29. 26. What is the Value of A+!AB 1 point
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A+B
30. 27. What is the minimized Form of expression 1 point
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!B!D+A!C+BD
!BD+A!C+BD
!B!D+!A!C+BD
B!D+A!C+!BD
31. 28.An equivalent 2's complement representation of the 2's complement 1 point
number 1101 is
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110100
001101
110111
111101
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03/10/2023, 13:58 Digital Circuit Quiz
32. 29.The boolean function Y = AB + CD is to be realised using only 2 inputs 1 point
NAND gates. The minimum number of gates required is
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33. 30. For the circuit shown below the output F is given by 1 point
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F=1
F=0
F=X
F = !X
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03/10/2023, 13:58 Digital Circuit Quiz
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