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Information and Communication Technology System Maintenance (ICTSM)
DIGITAL ELECTRONICS
Set 2
Set 2
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Q7032
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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
Q7033
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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
Q7034
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What is the purpose of using binary coded decimal (BCD) system in digital circuits?
A
Storing the data inputs
B
Control the binary system
C
Interface to binary system
D
Segregating the input parameters
Q7035
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Which gate is called universal gate?
A
AND
B
NOT
C
NOR
D
OR
Q7036
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How many inputs are available in the 7447 BCDto- seven segment decoder used to drive the LED display?
A
One
B
Four
C
Seven
D
Eight
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