Question 1 : Consider an AM broadcast station which transmits modulating frequencies up to 10kHz. If it transmits a frequency of 1000 kHz. Find its maximum and minimum upper and lower sidebands frequencies and also the total bandwidth?
1. 900 KHz, 820 KHz, 1000 Hz
2. 720 KHz, 650 KHz, 1020 Hz
3. 1010 KHz, 880 KHz, 15000 Hz
4. 1010 KHz, 990 KHz, 20000 Hz
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Question 2 : The Clapp oscillator is _________
1. an oscillator made using FET
2. a type of crystal controlled oscillators
3. modified form of Colpitts oscillator
4. modified form of Hartley oscillator
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Question 3 : Why CSMA/CD network has a maximum length for cables?
1. to increase the data rate
2. to decrease the data rate
3. to prevent packets from reaching all other nodes
4. to make sure that all other nodes hear a collision in progress
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Question 4 : NIC stands for ________
1. Network Interface Card
2. Network Interface Cable
3. Network Interface Code
4. Network Internal Cord
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Question 5 : What is the full-form of UTP?
1. Unshielded Twisted-Pair copper wire
2. Unshielded Twisted-Pair Coaxial wire
3. Uniquely Twisted-Pair copper wire
4. Uniquely Twisted-Pair Coaxial wire
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Question 6 : Why CSMA/CD network has a minimum length for packets?
1. to increase the data rate
2. to decrease the data rate
3. to prevent packets from reaching all other nodes
4. to make sure that all other nodes hear a collision in progress
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Question 7 : A frequency synthesizer is _________
1. A VCO phase locked to a reference frequency
2. A VFO phase locked to a reference frequency
3. A fixed RF generator
4. A variable RF generator
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Question 8 : Which statement is true about varacter?
1. it is a diode
2. it is a voltage-controlled oscillator
3. it is used in tuned circuits
4. it is a diode used in tuned circuit and also has a voltage-controlled capacitor
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Question 9 : Signal to noise ratio is calculated as signal voltage divided by noise voltage.
1. True
2. False
3.
4.
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Question 10 : What you understand by the term Soliton?
1. it is a defect in the glass
2. it is a type of particle
3. it is a type of pulse
4. it is a type of optical fibre
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