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MCQs

Total Questions : 457 | Page 6 of 46 pages
Question 51. Why are digital circuits easier to design than analog circuits?
  1.    they do not control electricity precisely over a wide range
  2.    they are made in the form of ICs
  3.    all elements of digital circuit are from the same family
  4.    they are smaller in size
  5.    None of the above
 Discuss Question
Answer: Option A. -> they do not control electricity precisely over a wide range
Question 52. A binary adder is a logic circuit that can add _____ binary numbers at a time.
  1.    Hundreds
  2.    Thousands
  3.    One
  4.    Two
  5.    None of the above
 Discuss Question
Answer: Option D. -> Two
Question 53. The 2764 is 65,536-bit EPROM organized as 8,192 words of 8 bits each. How many address lines does it have?
  1.    12
  2.    14
  3.    13
  4.    8
  5.    None of the above
 Discuss Question
Answer: Option C. -> 13
Question 54. A half-adder adds _____ bits
  1.    16
  2.    8
  3.    10
  4.    2
  5.    None of the above
 Discuss Question
Answer: Option D. -> 2
Question 55. Conversion of decimal number 4210 to it's octal number equivalent is
  1.    578
  2.    428
  3.    478
  4.    528
  5.    None of the above
 Discuss Question
Answer: Option D. -> 528
Question 56. What does 4k represent?
  1.    4000
  2.    4096
  3.    40
  4.    400
  5.    None of the above
 Discuss Question
Answer: Option B. -> 4096
Question 57. The _____ is ultraviolet-light-erasable and electrically programmable. This allows the user to erase and store until programs and data are perfected.
  1.    EPROM
  2.    ROM
  3.    PROM
  4.    RAM
  5.    None of the above
 Discuss Question
Answer: Option A. -> EPROM
Question 58. The logic 1 in positive logic system is represented by:
  1.    zero voltage
  2.    lower voltage level
  3.    higher voltage level
  4.    negative voltage
  5.    None of the above
 Discuss Question
Answer: Option C. -> higher voltage level
Question 59. The number of two-input NAND gates required to produce the two-input OR function is
  1.    1
  2.    2
  3.    3
  4.    4
  5.    None of the above
 Discuss Question
Answer: Option C. -> 3
Question 60. Conversion of decimal number 9910 to it's binary number equivalent is
  1.    11000112
  2.    1000112
  3.    11100012
  4.    111 10002
  5.    None of the above
 Discuss Question
Answer: Option A. -> 11000112

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