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9th Grade > Mathematics

NUMBER SYSTEMS MCQs

Total Questions : 197 | Page 7 of 20 pages
Question 61.  One hex digit is sometimes referred to as a(n):
  1.    byte
  2.    nibble
  3.    grouping
  4.    instruction
 Discuss Question
Answer: Option B. -> nibble
Question 62.  Convert the binary number 1001.00102 to decimal.
  1.    90.125
  2.    9.125
  3.    125
  4.    12.5
 Discuss Question
Answer: Option B. -> 9.125
Question 63.  Convert binary 111111110010 to hexadecimal.
  1.    EE216
  2.    FF216
  3.    2FE16
  4.    FD216
 Discuss Question
Answer: Option B. -> FF216
Question 64.  Which of the following is the most widely used alphanumeric code for computer input and output?
  1.    Gray
  2.    ASCII
  3.    Parity
  4.    EBCDIC
 Discuss Question
Answer: Option B. -> ASCII
Question 65.  If a typical PC uses a 20-bit address code, how much memory can the CPU address?
  1.    20 MB
  2.    10 MB
  3.    1 MB
  4.    580 MB
 Discuss Question
Answer: Option C. -> 1 MB
Question 66. . Convert 59.7210 to BCD.
  1.    111011
  2.    01011001.01110010
  3.    1110.11
  4.    0101100101110010
 Discuss Question
Answer: Option B. -> 01011001.01110010
Question 67. . Convert 8B3F16 to binary.
  1.    35647
  2.    011010
  3.    1011001111100011
  4.    1000101100111111
 Discuss Question
Answer: Option D. -> 1000101100111111
Question 68. . Assign the proper odd parity bit to the code 111001.
  1.    1111011
  2.    1111001
  3.    0111111
  4.    0011111
 Discuss Question
Answer: Option B. -> 1111001
Question 69. . Which is typically the longest: bit, byte, nibble, word?
  1.    Bit
  2.    Byte
  3.    Nibble
  4.    Word
 Discuss Question
Answer: Option D. -> Word
Question 70. . Convert decimal 64 to binary.
  1.    01010010
  2.    01000000
  3.    00110110
  4.    01001000
 Discuss Question
Answer: Option B. -> 01000000

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