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9th Grade > Mathematics

NUMBER SYSTEMS MCQs

Total Questions : 197 | Page 17 of 20 pages
Question 161. 5. The ________ number system has a base of sixteen.
  1.    Johnson
  2.    hexadecimal
  3.    binary
  4.    octal
 Discuss Question
Answer: Option B. -> hexadecimal
Question 162. 8. The largest unsigned decimal number that can be represented in binary using six bits is ________.
  1.    63
  2.    64
  3.    127
  4.    128
 Discuss Question
Answer: Option A. -> 63
Question 163. 7. The decimal equivalent of the BCD number 1010 is ________.
  1.    8
  2.    10
  3.    12
  4.    invalid
 Discuss Question
Answer: Option D. -> invalid
Question 164. 9. 
.
The two digits in the binary number system are ___ and ___.
  1.    1, 2
  2.    H, L
  3.    T, F
  4.    0, 1
 Discuss Question
Answer: Option D. -> 0, 1
Question 165. 6. Binary 0010111101111110 is ________ in hexadecimal.
  1.    77F216
  2.    4EEE16
  3.    2F7E16
  4.    2F7716
 Discuss Question
Answer: Option C. -> 2F7E16
Question 166. 1. The decimal fraction 1/4 can be written in binary as________.
  1.    0.010
  2.    0.100
  3.    0.110
  4.    0.011
 Discuss Question
Answer: Option A. -> 0.010
Question 167. 2. Decimal 474 is ________ in BCD.
  1.    0100 0111 0100
  2.    0100 1011 0101
  3.    0100 1001 0011
  4.    0110 1011 1001
 Discuss Question
Answer: Option A. -> 0100 0111 0100
Question 168. 0. Decimal 37 is ________ in binary with an even parity bit.
  1.    00100101
  2.    10100101
  3.    11000100
  4.    01001011
 Discuss Question
Answer: Option B. -> 10100101
Question 169. 3. An unweighted code in which only one bit changes from one code number to the next is ________.
  1.    BCD
  2.    Excess-3
  3.    Gray
  4.    ASCII
 Discuss Question
Answer: Option C. -> Gray
Question 170. 8. Binary-coded-decimal 0111 1001 0011 is ________ in binary.
  1.    011110010011
  2.    010110101111
  3.    001100110011
  4.    001100011001
 Discuss Question
Answer: Option D. -> 001100011001

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