Digital Electronics

1. Digital circuit can be made by the repeated use of the _________. BPSC Tre 3.0, 2.0 Digtial Electronics Quiz Practice Set 2. Which of the following is correct for Digital Circuits? BPSC Tre 3.0, 2.0 Digtial Electronics Quiz Practice Set 3. Which of the following is an example of a digital Electronic? BPSC Tre 3.0, 2.0 Digtial Electronics Quiz Practice Set 4. An OR gate has 4 inputs. The number of words in truth table will be _______. BPSC Tre 3.0, 2.0 Digtial Electronics Quiz Practice Set 5. When does a negative level triggered flip-flop in Digital Electronics changes its state? BPSC Tre 3.0, 2.0 Digtial Electronics Quiz Practice Set 6. What is the result of the operation 1010 AND 1100 in binary? BPSC Tre 3.0, 2.0 Digtial Electronics Quiz Practice Set 7. In a half-adder circuit, what are the outputs? BPSC Tre 3.0, 2.0 Digtial Electronics Quiz Practice Set 8. Which of the following is the type of Read Only Memory (ROM)? BPSC Tre 3.0, 2.0 Digtial Electronics Quiz Practice Set 9. What is a PLA? BPSC Tre 3.0, 2.0 Digtial Electronics Quiz Practice Set 10. How many select lines are required for an 8-to-1 multiplexer? BPSC Tre 3.0, 2.0 Digtial Electronics Quiz Practice Set 11. Convert the decimal number 1234 to binary, octal, and hexadecimal. Which of the following options correctly represents these conversions? BPSC Tre 3.0, 2.0 Digtial Electronics Quiz Practice Set 12. What is Booth’s algorithm used for? BPSC Tre 3.0, 2.0 Digtial Electronics Quiz Practice Set 13. Which of the following is error detection code used in digital logic? BPSC Tre 3.0, 2.0 Digtial Electronics Quiz Practice Set 14. When performing BCD addition, what is the maximum value that can be represented in a single BCD digit? BPSC Tre 3.0, 2.0 Digtial Electronics Quiz Practice Set 15. Convert the binary number 1011.1101 to its decimal equivalent. Which of the following is the correct decimal value? BPSC Tre 3.0, 2.0 Digtial Electronics Quiz Practice Set 16. What is De Morgan’s theorem used for in digital logic? BPSC Tre 3.0, 2.0 Digtial Electronics Quiz Practice Set 17. What is the purpose of the “don’t care” condition in digital logic? BPSC Tre 3.0, 2.0 Digtial Electronics Quiz Practice Set 18. The brain of any computer system is BPSC Tre 3.0, 2.0 Digtial Electronics Quiz Practice Set 19. When a key is pressed on keyboard, which standard is used for converting the keystroke into the corresponding bits? BPSC Tre 3.0, 2.0 Digtial Electronics Quiz Practice Set 20. What difference do the fifth generation computers have from other generation computers? BPSC Tre 3.0, 2.0 Digtial Electronics Quiz Practice Set 21. Source code is available to view, modify and redistribute in BPSC Tre 3.0, 2.0 Digtial Electronics Quiz Practice Set 22. Machine language is BPSC Tre 3.0, 2.0 Digtial Electronics Quiz Practice Set 23. An assembly language is a/an BPSC Tre 3.0, 2.0 Digtial Electronics Quiz Practice Set 24. Convert the binary number 1011.1101 to itsdecimal equivalent. Which of the following isthe correct decimal value? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 25. What is De Morgan’s theorem used for indigital logic? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 26. What is the purpose of the “don’t care”condition in digital logic? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 27. Digital circuit can be made by the repeated use of the _________. BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 28. Which of the following gates is known as a Universal Gate? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 29. Which of the following logic gates produces an output of 1 only when all its inputs are 1? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 30. Which logic gate gives an output of 1 when at least one input is 1? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 31. Which logic gate is also known as an inverter? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 32. What is the output of an XOR gate when both inputs are the same? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 33. What is the Boolean expression of a NAND gate? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 34. According to De Morgan's first theorem, (A + B)' is equal to: BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 35. How many select lines are required for a 16-to-1 multiplexer? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 36. Which flip-flop is commonly used as a basic memory element in sequential circuits? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 37. Which of the following is correct for Digital Circuits? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 38. Which number system is predominantly used in digital electronic circuits? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 39. How many bits are required to represent one hexadecimal digit? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 40. What is the decimal equivalent of the binary number 1011? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 41. Which of the following is the main advantage of digital circuits over analog circuits? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 42. What does logic HIGH represent in a positive logic digital system? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 43. Which of the following is an example of a combinational logic circuit? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 44. Which type of circuit has memory and depends on both present inputs and previous states? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 45. What is the smallest unit of information in a digital system? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 46. Which of the following devices converts an analog signal into a digital signal? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 47. Which of the following is an example of a digital Electronic? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 48. Which of the following is commonly used as a semiconductor material in digital electronic devices? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 49. Which electronic component is used as the basic building block of modern integrated circuits? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 50. What is the full form of IC in digital electronics? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 51. Which device is primarily responsible for executing instructions in a computer? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 52. Which memory is commonly used to store firmware in digital electronic devices? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 53. Which of the following is an example of a non-volatile memory? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 54. Which technology is commonly used to manufacture modern microprocessors? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 55. Which of the following is an example of an embedded digital system? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 56. Which of the following is a major application of digital electronics in communication systems? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 57. An OR gate has 4 inputs. The number of words in truth table will be _______. BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 58. A digital circuit has 5 input variables. How many possible input combinations are there? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 59. How many rows are present in the truth table of a 3-input AND gate? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 60. How many different Boolean functions can be defined using 2 input variables? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 61. What is the maximum number of minterms for a Boolean function having 4 variables? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 62. Which Boolean algebra law states that A + 0 = A? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 63. According to the idempotent law of Boolean algebra, what is the value of A + A? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 64. What is the output of a 2-input NOR gate when both inputs are LOW? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 65. How many possible output combinations can be represented by 3 output bits? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 66. Which of the following represents the complement of the Boolean expression A · 1? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 67. When does a negative level triggered flip-flop in Digital Electronics changes its state? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 68. What is the main characteristic of an edge-triggered flip-flop? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 69. What is the name of the transition of a clock signal from LOW to HIGH? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 70. Which flip-flop has no invalid input condition in its basic operation? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 71. What happens when both J and K inputs are HIGH in a JK flip-flop? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 72. Which flip-flop is commonly used in shift registers? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 73. What is the primary function of a T flip-flop? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 74. How many flip-flops are required to construct a MOD-16 binary counter? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 75. What is the main difference between a latch and a flip-flop? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 76. What is the race-around condition in a JK flip-flop? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 77. What is the result of the operation 1010 AND 1100 in binary? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 78. What is the result of the binary OR operation 1010 OR 1100? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 79. What is the result of the binary XOR operation 1010 XOR 1100? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 80. What is the 1's complement of the binary number 101100? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 81. What is the 2's complement of the binary number 0101? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 82. What is the decimal equivalent of the binary number 11010? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 83. What is the binary equivalent of decimal number 25? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 84. What is the result of the binary addition 1011 + 0101? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 85. What is the result of the binary subtraction 1101 - 0101? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 86. What is the result of left shifting the binary number 0011 by 2 positions? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 87. In a half-adder circuit, what are the outputs? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 88. Which logic gate is used to generate the Sum output of a half-adder? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 89. Which logic gate is used to generate the Carry output of a half-adder? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 90. How many input bits are used in a half-adder circuit? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 91. How many input bits are used in a full-adder circuit? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 92. Which of the following are the outputs of a full-adder circuit? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 93. Which of the following is a limitation of a half-adder circuit? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 94. A full-adder circuit can be constructed using which combination of logic circuits? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 95. What are the outputs of a half-subtractor circuit? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 96. Which Boolean expression represents the Borrow output of a half-subtractor? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 97. Which of the following is the type of Read Only Memory (ROM)? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 98. Which type of ROM can be programmed by the user only once? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 99. Which type of ROM is erased using ultraviolet light? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 100. Which type of ROM can be electrically erased and reprogrammed? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 101. Which type of memory is programmed by the manufacturer during the manufacturing process? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 102. Which of the following is a non-volatile memory? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 103. Which memory is commonly used to store the firmware of a computer system? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 104. What is the main characteristic of Flash Memory? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 105. Which type of ROM allows erasing and rewriting data without removing the chip from the circuit? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 106. Which of the following statements about ROM is correct? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 107. What is a PLA? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 108. Which two arrays are programmable in a PLA? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 109. What is the full form of PAL in digital electronics? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 110. Which array is fixed in a standard PAL device? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 111. Which programmable logic device has a fixed AND array and a programmable OR array? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 112. Which programmable logic device provides greater flexibility by allowing both AND and OR arrays to be programmed? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 113. What type of logic functions are commonly implemented using PLA? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 114. Which of the following correctly compares PLA and PAL? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 115. What is the primary purpose of a programmable logic device (PLD)? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 116. Which of the following is an example of a programmable logic device? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 117. How many select lines are required for an 8-to-1 multiplexer? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 118. How many input lines are present in a 4-to-1 multiplexer? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 119. How many select lines are required for a 16-to-1 multiplexer? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 120. What is the main function of a multiplexer? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 121. How many output lines are present in a 1-to-8 demultiplexer? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 122. How many select lines are required for a 1-to-16 demultiplexer? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 123. Which digital circuit performs the reverse operation of a multiplexer? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 124. How many select lines are required for a 32-to-1 multiplexer? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 125. A multiplexer is classified as which type of digital circuit? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 126. How many select lines are required for a 64-to-1 multiplexer? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 127. Convert the decimal number 1234 to binary, octal, and hexadecimal. Which of the following options correctly represents these conversions? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 128. Convert the decimal number 45 into binary, octal and hexadecimal. BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 129. What is the hexadecimal equivalent of the decimal number 255? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 130. What is the decimal equivalent of the binary number 101101? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 131. What is the decimal equivalent of the octal number 157? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 132. What is the decimal equivalent of the hexadecimal number 2A? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 133. Convert the binary number 11010110 into hexadecimal. BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 134. Convert the octal number 725 into binary. BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 135. What is the binary equivalent of the hexadecimal number 3F? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 136. What is the octal equivalent of the binary number 1101011? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 137. What is Booth’s algorithm used for? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 138. Which number representation is commonly used by Booth’s algorithm for signed binary multiplication? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 139. Which register stores the multiplier in the standard Booth’s multiplication algorithm? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 140. In Booth’s algorithm, what operation is performed when the bit pair (Q₀, Q₋₁) is 01? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 141. In Booth’s algorithm, what operation is performed when the bit pair (Q₀, Q₋₁) is 10? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 142. What operation is performed when the bit pair (Q₀, Q₋₁) is 00 in Booth’s algorithm? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 143. Which type of shift is performed in each iteration of the standard Booth’s algorithm? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 144. How many iterations are generally required by Booth’s algorithm to multiply two n-bit binary numbers? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 145. What is the 2’s complement representation of -5 using 8 bits? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 146. What is the result of multiplying binary numbers 101 and 11? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 147. Which of the following is error detection code used in digital logic? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 148. What is the primary purpose of a parity bit? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 149. In even parity, what should be the total number of 1s including the parity bit? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 150. In odd parity, what should be the total number of 1s including the parity bit? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 151. Which error detection technique uses polynomial division? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 152. Which code is commonly used for both error detection and single-bit error correction? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 153. How many parity bits are required for a standard Hamming code with 4 data bits? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 154. What is the minimum Hamming distance required to detect up to 2-bit errors? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 155. Which of the following statements about checksum is correct? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 156. What is the Hamming distance between the binary strings 10101 and 11100? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 157. When performing BCD addition, what is the maximum value that can be represented in a single BCD digit? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 158. How many bits are required to represent one decimal digit in standard BCD? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 159. Which of the following is an invalid 8421 BCD code? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 160. What is the BCD representation of decimal number 25? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 161. What correction value is added in BCD addition when the binary sum exceeds 1001 or generates a carry? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 162. What is the BCD result of adding decimal 7 and decimal 5? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 163. Which of the following decimal numbers has the BCD representation 1001 0010? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 164. How many invalid combinations are present in a 4-bit 8421 BCD code? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 165. Which number system is used in the standard 8421 BCD code? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 166. What is the BCD representation of decimal number 59? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 167. Convert the binary number 0.1011 into its decimal equivalent. BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 168. What is the decimal equivalent of the binary number 110.101? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 169. Convert the decimal number 10.625 into binary. BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 170. What is the decimal equivalent of the binary number 101.011? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 171. Convert the decimal number 13.3125 into its binary equivalent. BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 172. Find the decimal equivalent of the binary fraction 0.01101. BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 173. What is the decimal value of the binary number 111.0011? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 174. What is the binary representation of the decimal fraction 0.375? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 175. Convert the binary number 1001.1001 into its decimal equivalent. BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 176. According to De Morgan’s theorem, what is the complement of A + B? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 177. Which Boolean expression is equivalent to (A · B)'? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 178. Which gate is equivalent to an OR gate followed by a NOT gate? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 179. Which gate is equivalent to an AND gate followed by a NOT gate? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 180. Using De Morgan’s theorem, simplify the expression ((A + B)')'. BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 181. Which Boolean expression represents a NAND gate with inputs A and B? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 182. Which Boolean expression represents a NOR gate with inputs A and B? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 183. How many inputs are required to apply De Morgan’s theorem to a Boolean expression? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 184. Which Boolean law states that the complement of a complemented variable is the original variable? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 185. Which symbol is commonly used to represent a don’t-care condition in a Karnaugh map? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 186. How can a don’t-care condition be treated during Boolean expression simplification? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 187. What is the main advantage of using don’t-care conditions in Karnaugh maps? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 188. When should a don’t-care condition be used as 1 in a Karnaugh map? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 189. In a digital circuit, unused input combinations are commonly represented as which type of conditions? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 190. Is it necessary to use every don’t-care cell while simplifying a Karnaugh map? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 191. For Product of Sums (POS) simplification, how can a don’t-care cell be used? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 192. Which of the following statements about don’t-care conditions is correct? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1 193. Which of the following can be reduced by effectively using don’t-care conditions? BPSC Tre 4.0 Digtial Electronics Quiz Practice Set 1