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9th Grade > Mathematics

NUMBER SYSTEMS MCQs

Total Questions : 197 | Page 15 of 20 pages
Question 141. . Convert 110010012 (binary) to decimal.
  1.    201
  2.    2001
  3.    20
  4.    210
 Discuss Question
Answer: Option A. -> 201
Question 142. . Convert the following decimal number to octal.
39
  1.    638
  2.    368
  3.    478
  4.    748
 Discuss Question
Answer: Option C. -> 478
Question 143. . The American Standard Code for Information Interchange (ASCII) uses how many individual pulses for any given character?
  1.    1
  2.    2
  3.    7
  4.    8
 Discuss Question
Answer: Option C. -> 7
Question 144. . The BCD number for decimal 16 is ________.
  1.    00010110
  2.    00010000
  3.    00010010
  4.    11100000
 Discuss Question
Answer: Option A. -> 00010110
Question 145. . Convert the following hexadecimal number to decimal.
B516
  1.    212
  2.    197
  3.    165
  4.    181
 Discuss Question
Answer: Option D. -> 181
Question 146. . Convert 52716 to binary.
  1.    343
  2.    001101000111
  3.    010100100111
  4.    011100100101
 Discuss Question
Answer: Option C. -> 010100100111
Question 147. . Alphanumeric codes should include as a minimum:
  1.    the capacity to represent the alphabet upper- and lowercase characters and the decimal numbers in a straight binary format.
  2.    the capacity to code all possible decimal numbers in a direct octal representation of BCD codes.
  3.    the alphabet upper- and lowercase letters, the decimal digits, the seven punctuation marks, and other characters or symbols.
  4.    the ability to represent decimal numbers greater than 12810 in a straight binary format.
 Discuss Question
Answer: Option C. -> the alphabet upper- and lowercase letters, the decimal digits, the seven punctuation marks, and other characters or symbols.
Question 148. . Convert 5278 to binary.
  1.    011100111
  2.    101010111
  3.    343
  4.    111010101
 Discuss Question
Answer: Option B. -> 101010111
Question 149. . Assign the proper even parity bit to the code 1100001.
  1.    11100001
  2.    1100001
  3.    01100001
  4.    01110101
 Discuss Question
Answer: Option A. -> 11100001
Question 150. . Which of the following is the primary advantage of using the BCD code instead of straight binary coding?
  1.    Fewer bits are required to represent a decimal number with the BCD code.
  2.    The relative ease of converting to and from decimal.
  3.    BCD codes are easily converted to hexadecimal codes.
  4.    BCD codes are easily converted to straight binary codes.
 Discuss Question
Answer: Option B. -> The relative ease of converting to and from decimal.

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