21 : Data Signals

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1).
What do we call the time it takes for an entire message to completely arrive at the destination from the time the first bit is sent out from the source?
2).
Which of the following represents Latency?
3).
What is the actual measurement of data that can be sent over network?
4).
What is the maximum amount of data that a channel can transmit called as?
5).
What is the time needed by each device on a network, to hold the message before processing, called as?
6).
Which of the following represents the Transmission time?
7).
Which of the following represents a nibble data?
8).
Which of the following represents a sine wave?
9).
What will be the bandwidth of a periodic signal if it is decomposed into five sine waves with frequencies of 100, 300, 500, 700 and 900 Hz?
10).
Which of the following factors affect the data rate?
11).
Which of the following represents bit length?
12).
Which of the following can be the source of data?
13).
Which of the following device is used to convert the native data into signal?
14).
What is the length of each character in ASCII code?
15).
What do we call the time required to send one single bit?
16).
What is the number of bit interval per second known as?
17).
Which of the following uses digital signaling, which is inserted in the transmission channel as voltage pulses?
18).
What is the loss of signal's energy due to resistance of the medium known as?
19).
What is the alteration of the signal due to differing propagation speeds of each of the frequencies called as?
20).
Which of the following noise may occur when signals at different frequencies share the same transmission medium?
1. What do we call the time it takes for an entire message to completely arrive at the destination from the time the first bit is sent out from the source?
[A] Propagation time
[B] Transmission time
[C] Latency
[D] Throughput
2. Which of the following represents Latency?
[A] propagation time +transmission time +queuing time + processing delay
[B] propagation time – transmission time +queuing time + processing delay
[C] propagation time +transmission time +queuing time – processing delay
[D] (propagation time +transmission time) – (queuing time + processing delay)
3. What is the actual measurement of data that can be sent over network?
[A] Bandwidth
[B] Throughput
[C] Queue size
[D] None of the above
4. What is the maximum amount of data that a channel can transmit called as?
[A] Jitter rate
[B] Throughput
[C] Bandwidth
[D] None of the above
5. What is the time needed by each device on a network, to hold the message before processing, called as?
[A] Propagation time
[B] Queuing time
[C] Transmission time
[D] Jitter
6. Which of the following represents the Transmission time?
[A] Message size/Bandwidth
[B] Message size *Bandwidth
[C] 1/2 (Message size/Bandwidth)
[D] 2 *(Message size/Bandwidth)
7. Which of the following represents a nibble data?
[A] 2 bits
[B] 4 bits
[C] 6 bits
[D] 8 bits
8. Which of the following represents a sine wave?
[A] Non-periodic analog signal
[B] Periodic analog signal
[C] Periodic digital signal
[D] Non-periodic digital signal
9. What will be the bandwidth of a periodic signal if it is decomposed into five sine waves with frequencies of 100, 300, 500, 700 and 900 Hz?
[A] 900 Hz
[B] 100 Hz
[C] 500 Hz
[D] 800 Hz
10. Which of the following factors affect the data rate?
[A] Bandwidth available
[B] Level of the signals being used
[C] Level of noise
[D] All of the above
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