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MCQs

Total Questions : 228 | Page 3 of 23 pages
Question 21. Digital design often starts by constructing a _____ table.
  1.    None of these
  2.    Two-stage
  3.    Two-dinensional
  4.    Truth
  5.    Standard
 Discuss Question
Answer: Option D. -> Truth
Question 22. A diagram that illustrates the ore (Logic) of functions in a progran called a
  1.    Sequence of steps
  2.    All of these
  3.    None of these
  4.    Direction of flow
  5.    Flowchart
 Discuss Question
Answer: Option E. -> Flowchart
Question 23. An OR gate has 6 inputs. What is the only input word that produces a 0 output?
  1.    111111
  2.    111000
  3.    111
  4.    None of these
 Discuss Question
Answer: Option E. -> Flowchart
Question 24. The ASCII
  1.    is version II of the ASC Standard
  2.    is a subset of 8-bit EBCDIC
  3.    has 128 characters, including 32 control characters
  4.    is used only in Western Countries
  5.    None of these
 Discuss Question
Answer: Option C. -> has 128 characters, including 32 control characters
Question 25. The hexadecimal digits are 0 to 9 and A to _____
  1.    D
  2.    E
  3.    G
  4.    F
  5.    None of these
 Discuss Question
Answer: Option D. -> F
Question 26. The Gray code for decimal 7 is
  1.    100
  2.    None of these
  3.    1011
  4.    111
  5.    101
 Discuss Question
Answer: Option A. -> 100
Question 27. Conversion of binary number 1010000101112 to hexadecimal number is
  1.    A8B916
  2.    D8F916
  3.    A1716
  4.    None of these
  5.    D9F816
 Discuss Question
Answer: Option C. -> A1716
Question 28. The time required for a pulse to decrease from 90 to 10 percent of its maximum value is known as
  1.    None of these
  2.    decay time
  3.    propagation delay
  4.    binary level transition period
  5.    rise time
 Discuss Question
Answer: Option B. -> decay time
Question 29. _____dominates the LSI field, and _____ is used extensively where lowest power consumption is necessary.
  1.    MOSFET, PMOS
  2.    PMOS, CMOS
  3.    NMOS, PMOS
  4.    NMOS, CMOS
  5.    None of these
 Discuss Question
Answer: Option D. -> NMOS, CMOS
Question 30. Conversion of an octal number 1438 to its decimal number is
  1.    None of these
  2.    97110
  3.    10710
  4.    9010
  5.    9910
 Discuss Question
Answer: Option E. -> 9910

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