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Electronics Mechanic
BASIC GATES COMBINATIONAL CIRCUITS FLI
Set 1
Set 1
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Q4170
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How many inputs are available in the 7447 BCD-to-seven segment decoder used to drive the LED display?
A
One
B
Four
C
Seven
D
Eight
Q4171
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What is the power supply required to operate the most standard TTL ICs properly?
A
+ 1.5v to +2.5V
B
- 1.5v to - 2.5V
C
+ 4.75v to + 5.25V
D
+ 7.5v to + 12V
Q4172
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What is the propagation delay of the standard TTL chip?
A
5 ns
B
8 ns
C
10 ns
D
12 ns
Q4173
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What is the power dissipation of the standard TTL chip?
A
5 mW/gate
B
10 mW/gate
C
15 mW/gate
D
20 mW/gate
Q4174
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What is the decimal conversion number for the octal number (2374)8?
A
(1266)10
B
(1276)10
C
(1286)10
D
(1296)10
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