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MCQs

Total Questions : 457 | Page 12 of 46 pages
Question 111. The 7400 series, also called standard TTL, contains a variety of SSI and _____ chips that allow us to build all kinds of digital circuits and systems.
  1.    LSI
  2.    MSI
  3.    MOS
  4.    MOSFET
  5.    None of the above
 Discuss Question
Answer: Option B. -> MSI
Question 112. Conversion of decimal number 9910 to hexadecimal number is
  1.    6316
  2.    816
  3.    6116
  4.    5016
  5.    None of the above
 Discuss Question
Answer: Option A. -> 6316
Question 113. Conversion of binary number 11011001111110002 to hexadecimal number is
  1.    D8F816
  2.    A8B916
  3.    78916
  4.    D9F816
  5.    None of the above
 Discuss Question
Answer: Option D. -> D9F816
Question 114. When the LOAD input of a buffer register is active, the input word is stored on the next positive _____ edge.
  1.    clock
  2.    pulse
  3.    register
  4.    transistor
  5.    None of the above
 Discuss Question
Answer: Option A. -> clock
Question 115. Addition of 1101011012, 1110111012, 0001111112, 1001011012, 1111101112 is
  1.    10110101110102
  2.    11110110000102
  3.    10001010001012
  4.    010010000000102
  5.    None of the above
 Discuss Question
Answer: Option A. -> 10110101110102
Question 116. A demultiplexer is also known as
  1.    data selector
  2.    data distributor
  3.    multiplexer
  4.    encoder
  5.    None of the above
 Discuss Question
Answer: Option B. -> data distributor
Question 117. Conversion of a octal number 638 to its decimal number is
  1.    5110
  2.    6110
  3.    5710
  4.    5310
  5.    None of the above
 Discuss Question
Answer: Option A. -> 5110
Question 118. Binary means _____
  1.    Three
  2.    Four
  3.    Ten
  4.    Two
  5.    None of the above
 Discuss Question
Answer: Option D. -> Two
Question 119. For an input pulse train of clock period T, the delay produced by an n stage shift register is
  1.    (n-l)T
  2.    nT
  3.    (n+l)T
  4.    2nT
  5.    None of the above
 Discuss Question
Answer: Option A. -> (n-l)T
Question 120. _____ is the fastest logic family; it's used in high-speed applications.
  1.    DTL
  2.    TTL
  3.    ECL
  4.    MOS
  5.    None of the above
 Discuss Question
Answer: Option C. -> ECL

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