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To send a data packet using datagram , connection will be established… a) before data transmission. b) connection is not established before data transmission. c) no connection is required. d) none of the above.
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What is the nominal voltage required in subscriber loop connected to local exchange?a) +48 voltsb) -48 voltsc) 230 voltsd) 110 volts
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The status of the Kernel is… a) task b) process c) not defined. d) none of the above.
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What action is taken when the processor under execution is interrupted by a non-maskable interrupt? a) Processor serves the interrupt request after completing the execution of the current instruction. b) Processor serves the interrupt request after completing the current task. c) Processor serves the interrupt request immediately. d) Processor serving the interrupt request depends upon the priority of the current task under execution.
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Purpose of PC(Program Counter) in a MicroProcessor is… a) To store address of TOS(Top Of Stack) b) To store address of next instruction to be executed. c) count the number of instructions. d) to store base address of the stack.
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Line of sight is… a) Straight Line b) Parabolic c) Tx & Rx should be visible to each other d) none of the above
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Frequency at which VOICE is sampled is… a) 4 KHz b) 8 KHz c) 16 KHz d) 64 KHz
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Conditional results after execution of an instruction in a micro processor is stored in… a) register b) accumulator c) flag register d) flag register part of PSW(Program Status Word)
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What is the maximal decimal number that can be accommodated in a byte? a) 128 b) 256 c) 255 d) 512
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Max number of satellite hops allowed in voice communication is: a) only one b) more han one c) two hops d) four hops
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Time taken for 1 satellite hop in voice communication is… a) 1/2 second b) 1 seconds c) 4 seconds d) 2 seconds
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A 2MB PCM(pulse code modulation) has… a) 32 channels b) 30 voice channels & 1 signaling channel. c) 31 voice channels & 1 signaling channel. d) 32 channels out of which 30 voice channels, 1 signaling channel, & 1 synchronization channel.
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