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Electronic Mechanic
Electronic Mechanic Set-1
Basic Gates,Combinational circuits, Flip Flops
1

Basic Gates,Combinational circuits, Flip Flops MCQ with Answers

1) How many inputs are available in the 7447 BCD-to-seven segment decoder used to drive the LED display?

One

Four

Seven

Eight

Answer is:

Four

Explanation:

.

Basic Gates,Combinational circuits, Flip Flops MCQ with Answers

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Related Basic Gates,Combinational circuits, Flip Flops MCQ with Answers

2) What is the power supply required to operate the most standard TTL ICs properly?

+ 1.5v to +2.5V

- 1.5v to - 2.5V

+ 4.75v to + 5.25V

+ 7.5v to + 12V

Answer is:

+ 4.75v to + 5.25V

3) What is the propagation delay of the standard TTL chip?

5 ns

8 ns

10 ns

12 ns

Answer is:

10 ns

4) What is the power dissipation of the standard TTL chip?

5 mW/gate

10 mW/gate

15 mW/gate

20 mW/gate

Answer is:

10 mW/gate

5) What is the decimal conversion number for the octal number (2374)8?

(1266)10

(1276)10

(1286)10

(1296)10

Answer is:

(1276)10

Basic Gates,Combinational circuits, Flip Flops MCQ with Answers

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