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9th Grade > Mathematics

NUMBER SYSTEMS MCQs

Total Questions : 197 | Page 19 of 20 pages
Question 181. 1. Decimal 42 is equivalent to binary ________.
  1.    01000010
  2.    52
  3.    2A
  4.    101010
 Discuss Question
Answer: Option D. -> 101010
Question 182. 3. Whenever information is transmitted from one device to another, there is a possibility that ________.
  1.    one device is off
  2.    errors will occur
  3.    there is a full moon
  4.    the data will be received as transmitted
 Discuss Question
Answer: Option B. -> errors will occur
Question 183. 7.  A typical CD-ROM can store ________ of digital data.
  1.    90 minutes
  2.    analog portions
  3.    650 megabytes
  4.    octal bytes
 Discuss Question
Answer: Option C. -> 650 megabytes
Question 184. 1. In the decimal number 481, the powers-of-10 weight of the digit 4 is ________.
  1.    400
  2.    102
  3.    104
  4.    100
 Discuss Question
Answer: Option B. -> 102
Question 185. 9. ________ symbols are needed to represent all digits in hexadecimal.
  1.    Six
  2.    Ten
  3.    Twelve
  4.    Sixteen
 Discuss Question
Answer: Option D. -> Sixteen
Question 186. 0. Each hexadecimal digit converts to ________ binary digits.
  1.    four
  2.    eight
  3.    12
  4.    six
 Discuss Question
Answer: Option A. -> four
Question 187. 8. The MSB of 11001 is ________.
  1.    1
  2.    1100
  3.    C
  4.    1916
 Discuss Question
Answer: Option A. -> 1
Question 188. 3. Even-parity 01101000 binary is ________in hexadecimal.
  1.    C816
  2.    6816
  3.    D016
  4.    Nothing. Parity does not check.
 Discuss Question
Answer: Option D. -> Nothing. Parity does not check.
Question 189. 2. Decimal 2875 is ________ bytes in binary.
  1.    2
  2.    3
  3.    4
  4.    5
 Discuss Question
Answer: Option A. -> 2
Question 190. 4. The column weight of the "1" in the hexadecimal number 1AB is ________.
  1.    64
  2.    256
  3.    512
  4.    1024
 Discuss Question
Answer: Option B. -> 256

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