1. The 2s compliment form (Use 6 bit word) of the number 1010 is 111100 110111 110110 1011 2. A binary digit is called a bit number byte character 3. What is the binary equivalent of the Hexadecimal number 368 . 1.11E+09 1101101000 1111101000 1101111000 4. The hexadecimal number equivalent to (1762.46)8 is 3f2.89 2f3.98 3f2.98 2f3.89 5. The answer of the operation (10111)2*(1110)2 in hex equivalence is 150 1.01E+08 142 241 6. The decimal equivalent of hex number 1A53 is 6739 6973 6793 6379 7. The NAND gate output will be low if the two inputs are 10 11 1 0 8. What is the binary equivalent of the Octal number 367 11110111 10111011 1 11100111 110001101 9. What is the binary equivalent of the decimal number 1011 1111110111 1111000111 1111110011 1.11E+09 10. The gray code equivalent of (1011)2 is 1110 1101 1111 1010 11. How many AND gates are required to realize Y = CD+EF+G 4 3 2 5 12. The Hexadecimal number equivalent of (4057.06)8 is 82f.014 82f.937 83f.014 82f.027 13. The excess 3 code of decimal number 26 is 1001101 0100 1001 1000 1001 1011001 14. ( 734)8 =( )16 d c 1 1 c d c 1 d 1 d c 15. -8 is equal to signed binary number 11000000 10000000 10001000 oooo1000 16. What is the binary equivalent of the decimal number 368. 111010000 110110000 101110000 1.11E+08 17. The octal equivalent of (247) 10 is (350) 8 ( 400) 8 ( 367) 8 ( 252) 8 18. DeMorgans first theorem shows the equivalence of nand gate and not gate nor gate and nand gate. nor gate and bubbled and gate. or gate and exclusive or gate. 19. The simplification of the Boolean expression (A'BC')'+ (AB'C)' is 1 0 a bc 20. The decimal equivalent of Binary number 11010 is 23 26 36 16 21. The number 140 in octal is equivalent to (90) 10 . (96)10 . (86) 10 None of the options 22. 1’s complement representation of decimal number of -17 by using 8 bit 1100 1100 1110 1110 1101 1101 0001 0001 23. 12-bit 2’s complement of –73.75 is 11001001.11 00 10110110.01 00 10110110. 1100 01001001.110 0 24. The NOR gate output will be low if the two inputs are 1 11 all 10 25. Determine the binary numbers represented by 25.5 11001.1 11001.010 1 10101.11 11011.101 26. The hexadecimal number for (95.5)10 is ( 2e.f) 16 (5f.8) 16 ( 5a.4) 16 (9a.b) 16 27. Conversion of decimal number 10.625 into binary number: 1001.101 1010.101 1110.101 1001.11 28. What is decimal equivalent of BCD 11011.1100 ? 20.2 22.2 22 21.2 29. Conversion of fractional number 0.6875 into its equivalent binary number: 0.1111 0.0101 0.10111 0.1011 30. (2FAOC)16 is equivalent to (195 084)10 (001011111 010 0000 1100)2 both (195 084)10 and (001011111 010 0000 1100)2 None of the options 31. The decimal equivalent of ( 1100)2 is 12 20 16 18 32. Logic X-OR operation of (4ACO)H & (B53F)H results ffff 0 aacb abcd 33. The decimal number equivalent of (4057.06)8 is 2095.937 2095.094 2095.75 2095.075 34. Perform the following subtractions using 2’s complement method. 01000 – 01001 11 10 1 11110 35. Subtraction of 01100-00011 using 2’s complement method. : 1001 1000 110 1010 36. Convert decimal 153 to octal. Equivalent in octal will be ( 331) 8 ( 431) 8 . (231)8 None of the options 37. What is the binary equivalent of the decimal number 368 101110000 11110000 0 111010000 110110000 38. The hexadecimal number ‘A0’ has the decimal value equivalent to 100 256 80 160 39. The octal equivalent of hexadecimal (A.B)16 is 47.21 12.71 12.74 17.21 40. A three input NOR gate gives logic high output only when all input are low two input are low one input is low one input is high 41. The Extended ASCII Code (American Standard Code for Information Interchange) is a code 2-bit 16-bit 8-bit 7-bit 42. The binary value 1010110 is equivalent to decimal 87 86 88 89 43. A logic circuit with an output X = A(Bar)BC+AB(Bar) consists of . two and gates, two or gates, two inverters three and gates, two or gates, one inverter two and gates, one or gate two and gates, one or gate, two inverters 44. 2's complement of hexadecimal number B70A is b70b 48f5 b709 48f6 45. A NAND gate's output is LOW if all inputs are high any input is low all inputs are low any input is high 46. The AND Gate performs a logical function multiplicatio subtraction division addition 47. A NOR's gate output is HIGH if all inputs are high all inputs are low any input is low any input is high 48. NOR gate is formed by connecting not gate and then or gate or gate and then and gate or gate and then not gate and gate and then or gate 49. The boolean expression X = AB + CD represents an exclusive- or two ors anded together two ands ored together a 4-input and gate 50. 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