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MODULATION DEMODULATION TRANSMITTER ELECTRICAL - Practice Mode
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Information and Communication Technology System Maintenance (ICTSM)
MODULATION DEMODULATION TRANSMITTER ELECTRICAL
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1) What is the limitation of integrated circuits?
Increased reliability
Greater flexibility
Large value capacitors, resistors cannot be fabricated
Drains more current
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Correct Answer: Large value capacitors, resistors cannot be fabricated
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1) What is the limitation of integrated circuits?
Increased reliability
Greater flexibility
Large value capacitors, resistors cannot be fabricated
Drains more current
2) What is the function of pin number 4 of the IC 555?
Set
Reset
Discharge
Threshold
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Correct Answer: Reset
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2) What is the function of pin number 4 of the IC 555?
Set
Reset
Discharge
Threshold
3) Which is the output pin number IC 555 timer?
Pin number 6
Pin number 5
Pin number 4
Pin number 3
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Correct Answer: Pin number 3
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3) Which is the output pin number IC 555 timer?
Pin number 6
Pin number 5
Pin number 4
Pin number 3
4) What is the function of pin number 2 of IC 555 timer circuit?
"+V<sub>CC</sub>"
Trigger
Ground
Reset
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Correct Answer: Trigger
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4) What is the function of pin number 2 of IC 555 timer circuit?
"+V<sub>CC</sub>"
Trigger
Ground
Reset
5) Which process the ICs are made?
Grown junction process
Point contact junction process
By adding extrinsic materials
Micro photo - lithographic process
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Correct Answer: Micro photo - lithographic process
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5) Which process the ICs are made?
Grown junction process
Point contact junction process
By adding extrinsic materials
Micro photo - lithographic process
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