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08 - Advanced Logic Circuit MCQs

 1. A single transistor can be used to build which of the following digital logic gates?
Note:A transistor can be used as a switch. That is, when the base 
is low, the collector is high (input zero, output one) and when the
base is high, the collector is low (input 1, output 0).

  OR gates

  NOT gates

  AND gates

  NAND gates

 2. The following waveform pattern is for a(n) ________.
advancedlogiccircuits1.png

  C

  A

  D

  B

 3. The circuit of the given figure realizes the function
advancedlogiccircuits2.png

  A

  B

  C

  D

 4. Derive the Boolean expression for the logic circuit shown below:
advancedlogiccircuits3.png

  A

  C

  B

  D

 5. In an expression containing both AND and OR operations, the AND operations are performed first.

  FALSE

  TRUE

 6. The inputs to an AND gate are: A = 1, B = 0, C = 1. The output will be LOW.

  FALSE

  TRUE

 7. A NAND gate consists of an AND gate and an OR gate connected in series with each other.

  TRUE

  FALSE

 8. The NAND gate is an example of combinational logic.

  FALSE

  TRUE

 9. NOR gates can be used to construct AND gates.

  FALSE

  TRUE

 10. Which of the following logic expressions represents the logic diagram shown?
advancedlogiccircuits4.png

  A

  B

  C

  D

 11. Match the logic diagram to the equation.
Option 1
=========            
    _   _
Q = A . B + C


Option 2
=========
           _
Q = A. B + C

Option 3
==========
    _   _   
Q = A + B . C

Option 4
=============
    _   _   
Q = A + A + B . C
logiccircuitsocr_1.png

  Option 3

  Option 4

  Option 2

  Option 1

 12. Match the logic diagram to the equation.
Option 1
=========            

(A+B).(A.C)

Option 2
=========
           
(A+B).(A+C)

Option 3
==========
       
Q = A + B . C

Option 4
=============
(A.B) + (A+C)
logiccircuitsocr_2.png

  Option 4

  Option 3

  Option 2

  Option 1

 13. Match the logic diagram to the equation.
Option 1
=========            

(A+B).(A.C)

Option 2
=========
           
(A+B).(A+C)

Option 3
==========
       
A . (B+C)

Option 4
=============
 A + (B.C)
logiccircuitsocr_3.png

  Option 2

  Option 4

  Option 3

  Option 1

 14. Which of the following statements correctly describes what this diagram is depicting?
logiccircuitsocr_4.png

  NOT made from two NAND gates

  OR made from two NAND gates

  AND made from two NAND gates

  NOR made from four NAND gates

 15. Which of the following statements correctly describes what this diagram is depicting?
logiccircuitsocr_5.png

  AND made from four NAND gates

  OR made from four NAND gates:

  NOR made from four NAND gates

  AND made from two NAND gates