Question 11 : Bluetooth uses ________
1. CDMA
2. Frequency hopping
3. QPSK
4. QAM
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Question 12 : Push pull amplifier is a class B amplifier.
1. True
2. False
3.
4.
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Question 13 : ISM stands for _________
1. IEEE Standard Message
2. Industrial, Scientific and Messaging
3. Industrial, Scientific and Medical
4. IEEE Secure Message
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Question 14 : What is the full form of DBS?
1. direct broadcast satellite
2. decibels of signal
3. direct beam signal
4. direct broadcast signal
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Question 15 : What is the power order of power level for an earth station to transmit to a satellite?
1. 104 watts
2. 103 watts
3. 100 watts
4. 101 watts
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Question 16 : The maximum luminance level is called ________
1. max white
2. peak white
3. all white
4. full white
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Question 17 : Luminance is measured in ________
1. Decibels
2. IRE units
3. Lumins
4. NTSC units
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Question 18 : What is the aspect ratio of a standard TV receiver?
1. 3:4
2. 525:625
3. 625:525
4. 4:3
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Question 19 : NTSC specifications was drawn up by ________
1. FCC
2. IBM
3. Cisco
4. EIA
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Question 20 : NTSC stands for ________
1. National Television Systems Committee
2. National Television Security Committee
3. National Television Systems Council
4. National Television Security Council
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