Quiz about Information Transfer

Question 1

A signal whose properties are continuous...

Accepted Answer

Analog signal

Answer

Digital signal

Question 2

A(n) ______________represents a sequence of separate, discrete values. (Like "on/off," "0/1," etc.)

Accepted Answer

Digital signal

Answer

Analog signal

Question 3

This image shows a...

Accepted Answer

Telegraph

Answer

Telephone

Answer

Morse Code

Answer

A binary code machine

Question 4

Morse Code sends information using...

Accepted Answer

Digital signals

Answer

Analog signals

Question 5

A signal that contains a series of 0s and 1s is...

Accepted Answer

Binary code

Accepted Answer

A digital signal

Answer

An analog signal

Answer

Continuous

Question 6

A mercury thermometer provides information in a(n)...

Accepted Answer

Analog way

Answer

Digital way

Answer

Binary way

Answer

None of the above

Question 7

Digital offers better clarity, but analog gives you richer quality.

Accepted Answer

True

Answer

False

Question 8

Which of the following graphs represents a digital wave?

Accepted Answer

Option B is correct

Answer

A.

Question 9

A big advantages of digital technology is the recording does degrade over time.

Accepted Answer

False

Answer

True

Question 10

An analog signal is sent in Discrete pulses in two states, on= 1 or off= 0.

Accepted Answer

False

Answer

True

Question 11

Is this digital or analog?

Accepted Answer

Analog

Answer

Digital

Question 12

Is this digital or analog?

Accepted Answer

Digital

Answer

Analog

Question 13

Is this digital or analog?

Accepted Answer

Analog

Answer

Digital

Question 14

Is this digital or analog?

Accepted Answer

Digital

Answer

Analog

Question 15

Is this digital or analog?

Accepted Answer

Digital

Answer

Analog

Question 16

Which of the following is an analog technology?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 17

Which type of waves can be stored as binary code?

Accepted Answer

digital

Answer

analog

Answer

both analog and digital

Answer

neither

Question 18

When you send a text message to the friend, what happens first after you have typed your message?

Accepted Answer

the phone encodes the letters of your message using ones and zeros

Answer

the phone sends an analog wave representing your message to another phone

Answer

the phone produces an electromagnetic wave with constant amplitude and frequency

Answer

the phone decodes the zeros and ones and converts them into letters

Question 19

Which type of wave is best described as smooth and continuous?

Accepted Answer

analog

Answer

digital

Answer

both analog and digital

Answer

neither

Question 20

What is NOT an advantage of digital waves over analog waves?

Accepted Answer

all of the other answers are true

Answer

information from digital waves can be stored more efficiently than information from analog waves

Answer

digital waves can provide better quality of sound or information than analog waves

Question 21

Which form of data takes up less space?

Accepted Answer

Digital

Answer

Analog

Question 22

Which form of data records details more accurately? (Records, not transmits...)

Accepted Answer

Analog

Answer

Digital

Question 23

Which of the following graphs represents an analog wave?

Accepted Answer

Option A is correct

Answer

B.

Question 24

Is this digital or analog?

Accepted Answer

Analog

Answer

Digital

Information Transfer

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