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MCQs

Total Questions : 457 | Page 3 of 46 pages
Question 21. Conversion of an octal number 1348 to a binary number is
  1.    0010110112
  2.    0011011002
  3.    0010111002
  4.    1100112
  5.    None of the above
 Discuss Question
Answer: Option C. -> 0010111002
Question 22. What logic function is produced by adding an inverter to the output of an AND gate?
  1.    NAND
  2.    NOR
  3.    XOR
  4.    OR
  5.    None of the above
 Discuss Question
Answer: Option A. -> NAND
Question 23. Conversion of decimal number 2810 to it's octal number equivalent is
  1.    328
  2.    408
  3.    348
  4.    368
  5.    None of the above
 Discuss Question
Answer: Option C. -> 348
Question 24. Division of 1000112 by 1012 is
  1.    1002
  2.    1112
  3.    1012
  4.    10102
  5.    None of the above
 Discuss Question
Answer: Option B. -> 1112
Question 25. The NOR gate is logically equivalent to an OR gate followed by an _____
  1.    AND
  2.    XAND
  3.    XOR
  4.    inverter
  5.    None of the above
 Discuss Question
Answer: Option D. -> inverter
Question 26. The dynamic race hazard problem occurs in
  1.    combinational circuits only
  2.    sequential circuits only
  3.    both combinational and sequential circuits
  4.    none of the combinational and sequential circuits
  5.    None of the above
 Discuss Question
Answer: Option D. -> none of the combinational and sequential circuits
Question 27. Resistor Ratio design is used in linear ICs because
  1.    Ratios increase input resistance
  2.    Ratios increase amplifier gain
  3.    Precise resistor values are not possible with IC processes
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option C. -> Precise resistor values are not possible with IC processes
Question 28. What advantages do ICs have over discrete-device circuits due to their greater complexity (i.e. more circuitary in less area)
  1.    Smaller size
  2.    Higher reliability
  3.    Lower cost
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option D. -> All of the above
Question 29. Conversion of an octal number 1368 to hexadecimal number is
  1.    7E16
  2.    5E16
  3.    5A16
  4.    5D16
  5.    None of the above
 Discuss Question
Answer: Option B. -> 5E16
Question 30. The control and arithmetic-logic sections are called the _____
  1.    Block diagram
  2.    Control Unit
  3.    Input / Output Unit
  4.    Central Processing Unit
  5.    None of the above
 Discuss Question
Answer: Option D. -> Central Processing Unit

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