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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).

  AND gates

  OR gates

  NAND gates

  NOT gates

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

  B

  A

  C

  D

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

  A

  C

  D

  B

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

  B

  C

  D

  A

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

  TRUE

  FALSE

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

  TRUE

  FALSE

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

  FALSE

  TRUE

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

  TRUE

  FALSE

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

  TRUE

  FALSE

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

  C

  A

  B

  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 1

  Option 4

  Option 3

  Option 2

 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 3

  Option 2

  Option 1

  Option 4

 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 1

  Option 3

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

  NOR made from four NAND gates

  AND made from two NAND gates

  NOT made from two NAND gates

  OR made from two NAND gates

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

  NOR made from four NAND gates

  AND made from two NAND gates

  AND made from four NAND gates

  OR made from four NAND gates:


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