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MCQs

Total Questions : 88 | Page 1 of 9 pages
Question 1.  Any number with an exponent of zero is equal to:
  1.    zero
  2.    one
  3.    that number
  4.    ten
 Discuss Question
Answer: Option B. -> one
Question 2.  The range of voltages between VL(max) and VH(min) are ________.
  1.    unknown
  2.    unnecessary
  3.    unacceptable
  4.    between 2 V and 5 V
 Discuss Question
Answer: Option C. -> unacceptable
Question 3.  The generic array logic (GAL) device is ________.
  1.    one-time programmable
  2.    reprogrammable
  3.    a CMOS device
  4.    reprogrammable and a CMOS device
 Discuss Question
Answer: Option B. -> reprogrammable
Question 4.  In the decimal numbering system, what is the MSD?
  1.    The middle digit of a stream of numbers
  2.    The digit to the right of the decimal point
  3.    The last digit on the right
  4.    The digit with the most weight
 Discuss Question
Answer: Option D. -> The digit with the most weight
Question 5.  Which of the following statements does NOT describe an advantage of digital technology?
  1.    The values may vary over a continuous range.
  2.    The circuits are less affected by noise.
  3.    The operation can be programmed.
  4.    Information storage is easy.
 Discuss Question
Answer: Option A. -> The values may vary over a continuous range.
Question 6.  What are the symbols used to represent digits in the binary number system?
  1.    0,1
  2.    0,1,2
  3.    0 through 8
  4.    1,2
 Discuss Question
Answer: Option A. -> 0,1
Question 7.  What is a digital-to-analog converter?
  1.    It takes the digital information from an audio CD and converts it to a usable form.
  2.    It allows the use of cheaper analog techniques, which are always simpler.
  3.    It stores digital data on a hard drive.
  4.    It converts direct current to alternating current.
 Discuss Question
Answer: Option A. -> It takes the digital information from an audio CD and converts it to a usable form.
Question 8.  A full subtracter circuit requires ________.
  1.    two inputs and two outputs
  2.    two inputs and three outputs
  3.    three inputs and one output
  4.    three inputs and two outputs
 Discuss Question
Answer: Option D. -> three inputs and two outputs
Question 9. . A DAC changes ________.
  1.    an analog signal into digital data
  2.    digital data into an analog signal
  3.    digital data into an amplified signal
  4.    none of the above
 Discuss Question
Answer: Option B. -> digital data into an analog signal
Question 10. . A decoder converts ________.
  1.    noncoded information into coded form
  2.    coded information into noncoded form
  3.    HIGHs to LOWs
  4.    LOWs to HIGHs
 Discuss Question
Answer: Option B. -> coded information into noncoded form

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