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MCQs

Total Questions : 457 | Page 41 of 46 pages
Question 401. A multiplexer is also known as
  1.    coder
  2.    decoder
  3.    data selector
  4.    multivibrator
  5.    None of the above
 Discuss Question
Answer: Option C. -> data selector
Question 402. The leading bit stands for the _____ and the remaining bits for the _____ is known as signed binary numbers.
  1.    sign, remainder
  2.    sign, magnitude
  3.    value, sign
  4.    variable, value
  5.    None of the above
 Discuss Question
Answer: Option B. -> sign, magnitude
Question 403. The maximum number of TTL loads that a TTL device can drive reliably over the specified temperature range is
  1.    fanout
  2.    bipolar
  3.    chip
  4.    universal logic circuit
  5.    None of the above
 Discuss Question
Answer: Option A. -> fanout
Question 404. Conversion of hexadecimal number 6B216 to it's binary number equivalent is
  1.    11110001101112
  2.    0110101100102
  3.    01100110011112
  4.    111111112
  5.    None of the above
 Discuss Question
Answer: Option B. -> 0110101100102
Question 405. With positive clocking the clock signal must be _____ for the flip-flop to respond.
  1.    high
  2.    low
  3.    set
  4.    race
  5.    None of the above
 Discuss Question
Answer: Option A. -> high
Question 406. In which of the following adder circuits, the carry look ripple delay is eliminated?
  1.    Half adder
  2.    Full adder
  3.    Parallel adder
  4.    Carry-look-ahead adder
  5.    None of the above
 Discuss Question
Answer: Option D. -> Carry-look-ahead adder
Question 407. The output of the following gate is 0 only if at least one of the inputs is 1:
  1.    AND gate
  2.    OR gate
  3.    EX-OR gate
  4.    NOR gate
  5.    None of the above
 Discuss Question
Answer: Option D. -> NOR gate
Question 408. 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 409. What does 4k represent?
  1.    4000
  2.    4096
  3.    40
  4.    400
  5.    None of the above
 Discuss Question
Answer: Option B. -> 4096
Question 410. 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

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