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MCQs

Total Questions : 228 | Page 19 of 23 pages
Question 181. Which of the following Boolean algebra rules is wrong?
  1.    1 . x = 1
  2.    0 + A = A
  3.    A + A = A
  4.    1 + A = 1
  5.    None of these
 Discuss Question
Answer: Option A. -> 1 . x = 1
Question 182. Conversion of binary number 11000112 to hexadecimal is
  1.    None of these
  2.    6316
  3.    4616
  4.    4016
  5.    5716
 Discuss Question
Answer: Option B. -> 6316
Question 183. Which of the following logic families use bipolar transistors?
  1.    TTL
  2.    CMOS
  3.    NMOS
  4.    None of these
  5.    GaAS
 Discuss Question
Answer: Option A. -> TTL
Question 184. Conversion of binary number 11000112 to its decimal number is
  1.    2910
  2.    9310
  3.    9710
  4.    None of these
  5.    9910
 Discuss Question
Answer: Option E. -> 9910
Question 185. Conversion of an octal number 608 to binary number is
  1.    11001102
  2.    1100002
  3.    None of these
  4.    11001112
  5.    100112
 Discuss Question
Answer: Option B. -> 1100002
Question 186. A preliminary guide for comparing the simplicity of logic circuits is to count the number of input _____ leads.
  1.    None of these
  2.    wire
  3.    All of these
  4.    gate
  5.    bus
 Discuss Question
Answer: Option D. -> gate
Question 187. Conversion of binary number 11000112 to an octal number is
  1.    1438
  2.    None of these
  3.    1478
  4.    1408
  5.    1498
 Discuss Question
Answer: Option A. -> 1438
Question 188. The _____ is a sequence of instructions that tells the computer how to process the data.
  1.    program
  2.    data
  3.    None of these
  4.    instruction
  5.    controls
 Discuss Question
Answer: Option A. -> program
Question 189. An AND gate has 7 inputs, what is the only input word that produces a 1 output?
  1.    1111
  2.    1110000
  3.    None of these
  4.    1111111
 Discuss Question
Answer: Option D. -> 1111111
Question 190. Convert the 1000 0000 0000 1111 signed binary number to decimal number.
  1.    15
  2.    None of these
  3.    -30
  4.    30
  5.    -15
 Discuss Question
Answer: Option E. -> -15

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