# Combinational Logic Circuits - General Questions Online Exam Quiz

Combinational Logic Circuits - General Questions GK Quiz. Question and Answers related to Combinational Logic Circuits - General Questions. MCQ (Multiple Choice Questions with answers about Combinational Logic Circuits - General Questions

Options

A : 1

B : 2

C : 4

D : 8

Options

A : 1111110

B : 1111101

C : 1111000

D : 1111111

Options

A : 10101

B : 10010

C : 10001

D : 11000

Options

A : 1

B : 2

C : 3

D : 4

Options

A : 5

B : 6

C : 7

D : 8

Options

A : AND/OR

B : NAND

C : NOR

D : OR/AND

### Which of the following statements accurately represents the two BEST methods of logic circuit simplification?

Options

A : Boolean algebra and Karnaugh mapping

B : Karnaugh mapping and circuit waveform analysis

C : Actual circuit trial and error evaluation and waveform analysis

D : Boolean algebra and actual circuit trial and error evaluation

### Which of the following combinations cannot be combined into K-map groups?

Options

A : Corners in the same row

B : Corners in the same column

C : Diagonal corners

D : Overlapping combinations

### As a technician you are confronted with a TTL circuit board containing dozens of IC chips. You have taken several readings at numerous IC chips, but the readings are inconclusive because of their erratic nature. Of the possible faults listed, select the one that most probably is causing the problem.

Options

A : A defective IC chip that is drawing excessive current from the power supply

B : A solar bridge between the inputs on the first IC chip on the board

C : An open input on the first IC chip on the board

D : A defective output IC chip that has an internal open to V cc

Options

A : NOR

B : OR

C : Exclusive-OR

D : AND

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