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9th Grade > Mathematics

NUMBER SYSTEMS MCQs

Total Questions : 197 | Page 9 of 20 pages
Question 81. . Convert the following binary number to octal.
0011010112
  1.    1538
  2.    3518
  3.    2538
  4.    3528
 Discuss Question
Answer: Option A. -> 1538
Question 82. . How many bits are in an ASCII character?
  1.    16
  2.    8
  3.    7
  4.    4
 Discuss Question
Answer: Option C. -> 7
Question 83. . Convert decimal 213 to binary.
  1.    11001101
  2.    11010101
  3.    01111001
  4.    11100011
 Discuss Question
Answer: Option B. -> 11010101
Question 84. .  The decimal number 188 is equal to the binary number ________.
  1.    10111100
  2.    0111000
  3.    1100011
  4.    1111000
 Discuss Question
Answer: Option A. -> 10111100
Question 85. . The sum of the two BCD numbers, 0011 + 0011, is ________.
  1.    0110
  2.    0111
  3.    0011
  4.    1100
 Discuss Question
Answer: Option A. -> 0110
Question 86. . The binary number 1110 is equal to the decimal number ________.
  1.    3
  2.    1
  3.    7
  4.    14
 Discuss Question
Answer: Option D. -> 14
Question 87. . The octal numbering system:
  1.    simplifies tasks
  2.    groups binary numbers in groups of 4
  3.    saves time
  4.    simplifies tasks and saves time
 Discuss Question
Answer: Option D. -> simplifies tasks and saves time
Question 88. . Convert binary 01001110 to decimal.
  1.    4E
  2.    78
  3.    76
  4.    116
 Discuss Question
Answer: Option B. -> 78
Question 89. . Which is not a word size?
  1.    64
  2.    28
  3.    16
  4.    8
 Discuss Question
Answer: Option B. -> 28
Question 90. . Convert 11001010001101012 to hexadecimal.
  1.    121035
  2.    CA35
  3.    53AC1
  4.    530121
 Discuss Question
Answer: Option B. -> CA35

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