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MCQs

Total Questions : 457 | Page 9 of 46 pages
Question 81. Conversion of an octal number 1068 to binary number is
  1.    11100102
  2.    10001102
  3.    11001102
  4.    100001102
  5.    None of the above
 Discuss Question
Answer: Option B. -> 10001102
Question 82. Conversion of binary number 1000112 to an octal number is
  1.    438
  2.    478
  3.    498
  4.    508
  5.    None of the above
 Discuss Question
Answer: Option A. -> 438
Question 83. What table shows the electrical state of a digital circuit's output for every possible combination of electrical states in the inputs?
  1.    Function table
  2.    Truth table
  3.    Routing table
  4.    ASCII table
  5.    None of the above
 Discuss Question
Answer: Option B. -> Truth table
Question 84. The two basic technologies for digital ICs are bipolar and MOS. Bipolar technology is preferred for_____ and _____ whereas MOS technology is better suited to LSI.
  1.    SSI, MSI
  2.    MSI, LSI
  3.    SSI, LSI
  4.    ECL, DTL
  5.    None of the above
 Discuss Question
Answer: Option A. -> SSI, MSI
Question 85. What is the hexadecimal equivalent of a binary number 10101111
  1.    AF
  2.    9E
  3.    8C
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option A. -> AF
Question 86. Small-scale integration, abbreviated _____ refers to fewer than 12 gates on the same chip. Medium-scale integration (MSI) means 12 to 100 gates per chip. And large-scale integration (LSI) refers to more than _____ gates per chip.
  1.    SSI, 75
  2.    SSI, 100
  3.    SSI, 1000
  4.    SSI, 10000
  5.    None of the above
 Discuss Question
Answer: Option B. -> SSI, 100
Question 87. How many outputs signals can a gate have?
  1.    one
  2.    more than one
  3.    two only
  4.    both (a) and (b)
  5.    None of the above
 Discuss Question
Answer: Option A. -> one
Question 88. Conversion of an octal number 1258 to its decimal number is
  1.    9010
  2.    8510
  3.    8710
  4.    9910
  5.    None of the above
 Discuss Question
Answer: Option B. -> 8510
Question 89. What is the main advantage of using MOSFET rather than bipolar transistor circuitary in ICs?
  1.    much greater complexity (more components) than bipolar circuits : better economy
  2.    higher operating speed than bipolar circuits
  3.    fewer power supply connections are required with MOS ICs
  4.    system designers are more familiar with MOS circuitary
  5.    None of the above
 Discuss Question
Answer: Option A. -> much greater complexity (more components) than bipolar circuits : better economy
Question 90. The term sum-of-products in boolean algebra means
  1.    The AND function of several OR functions
  2.    The OR function of several AND functions
  3.    The OR function of several OR functions
  4.    The AND function of several AND functions
  5.    None of the above
 Discuss Question
Answer: Option B. -> The OR function of several AND functions

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