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BASIC GATES COMBINATIONAL CIRCUITS FLI - Practice Mode
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Electronics Mechanic
BASIC GATES COMBINATIONAL CIRCUITS FLI
Practice Mode
1) How many inputs are available in the 7447 BCD-to-seven segment decoder used to drive the LED display?
One
Four
Seven
Eight
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Correct Answer: Four
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1) How many inputs are available in the 7447 BCD-to-seven segment decoder used to drive the LED display?
One
Four
Seven
Eight
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
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Correct Answer: + 4.75v to + 5.25V
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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
3) What is the propagation delay of the standard TTL chip?
5 ns
8 ns
10 ns
12 ns
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Correct Answer: 10 ns
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3) What is the propagation delay of the standard TTL chip?
5 ns
8 ns
10 ns
12 ns
4) What is the power dissipation of the standard TTL chip?
5 mW/gate
10 mW/gate
15 mW/gate
20 mW/gate
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Correct Answer: 10 mW/gate
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4) What is the power dissipation of the standard TTL chip?
5 mW/gate
10 mW/gate
15 mW/gate
20 mW/gate
5) What is the decimal conversion number for the octal number (2374)8?
(1266)10
(1276)10
(1286)10
(1296)10
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Correct Answer: (1276)10
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5) What is the decimal conversion number for the octal number (2374)8?
(1266)10
(1276)10
(1286)10
(1296)10
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