DCN CHAPTER 3 PART 1 RECAP QUIZ

Froggy Jumps

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Help Becky's pet Froggy reach the other end safely by answering the questions correctly. Froggy has only four lives to succeed!

Créé par

Rebecca Chin May Ping

Malaysia

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DCN CHAPTER 3 PART 1 RECAP QUIZ


Froggy Jumps DCN CHAPTER 3 PART 1 RECAP QUIZVersion en ligne Help Becky's pet Froggy reach the other end safely by answering the questions correctly. Froggy has only four lives to succeed! par Rebecca Chin May Ping 1 Ah Xiang crimped the twisted pair cable for his cable connection. This means his network is using ___. a electrical signals b optical signals c wireless signals 2 The strength of a signal is indicated in voltage. This is an example of the ____ of a signal. a frequency b amplitude c phase 3 If the previous bit value of 1 was a positive value, what will be the value of the next value of 1 in a bipolar digital signal (AMI)? a +5V b 0V c -5V 4 Which of the following uses light pulses to conduct signal transmission? a coaxial cable b fibre optics cable c twisted pair cable 5 Which of the following is the best description of an analog signal? a A signal with a continuous range of values b A signal with levels of discrete values c A signal with only two types of states (high or low) 6 Digital signals are typically represented using which number system? a Hexadecimal (Base 16) b Binary (Base 2) c Octal (Base 8) 7 If a signal completes 100 complete cycles in two seconds, what is its frequency? a 50 Hz b 50 secs c 50 metres 8 A _______ can be measured from one crest to another crest of a wave. a phase b amplitude c wavelength 9 What happens to the frequency of a wave if its period is doubled? a The frequency does not change. b The frequency is halved. c The frequency is doubled. 10 Which unit is used to represent phase difference? a degree or radian b decibel c meter 11 1,000,000,000 bps can also be represented as __________. a 1 Mbps b 1 Gbps c 1 Tbps 12 How many bits per signal element can a digital signal with 4 distinct levels represent? a 1 b 2 c 4 13 _________ signal elements are needed to transmit a 16-bit data using 4-level digital signalling. a 16 b 4 c 8 14 Mario detected a digital signal which fluctuated between the values of 0V and +5V only. This is a(n) ________ digital signal. a unipolar b bipolar c multi-polar 15 In the bipolar digital signal, draw the 0 bit at the ______ level. a 0V b -5V c +5V 16 Which of the following determines whether a wave is a leading wave or a lagging wave? a Phase b Frequency c Bandwidth

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DCN CHAPTER 3 PART 1 RECAP QUIZ

Froggy Jumps

À propos de cette activité

Créé par

Téléchargez la version pour jouer sur papier

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DCN CHAPTER 3 PART 1 RECAP QUIZVersion en ligne

par Rebecca Chin May Ping

Ah Xiang crimped the twisted pair cable for his cable connection. This means his network is using ___.

The strength of a signal is indicated in voltage. This is an example of the ____ of a signal.

If the previous bit value of 1 was a positive value, what will be the value of the next value of 1 in a bipolar digital signal (AMI)?

Which of the following uses light pulses to conduct signal transmission?

Which of the following is the best description of an analog signal?

Digital signals are typically represented using which number system?

If a signal completes 100 complete cycles in two seconds, what is its frequency?

A _______ can be measured from one crest to another crest of a wave.

What happens to the frequency of a wave if its period is doubled?

Which unit is used to represent phase difference?

1,000,000,000 bps can also be represented as __________.

How many bits per signal element can a digital signal with 4 distinct levels represent?

_________ signal elements are needed to transmit a 16-bit data using 4-level digital signalling.

Mario detected a digital signal which fluctuated between the values of 0V and +5V only. This is a(n) ________ digital signal.

In the bipolar digital signal, draw the 0 bit at the ______ level.

Which of the following determines whether a wave is a leading wave or a lagging wave?