wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Information Transfer

Total questions: 24

Worksheet time: 19mins

Name
Class
Date
1.

A signal whose properties are continuous...

a)

Analog signal

b)

Digital signal

2.

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

a)

Analog signal

b)

Digital signal

3.

This image shows a...

a)

Telephone

b)

Telegraph

c)

Morse Code

d)

A binary code machine

4.

Morse Code sends information using...

a)

Digital signals

b)

Analog signals

5.

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

a)

A digital signal

b)

An analog signal

c)

Binary code

d)

Continuous

6.

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

a)

Analog way

b)

Digital way

c)

Binary way

d)

None of the above

7.
Digital offers better clarity, but analog gives you richer quality.
a)
True
b)
False
8.

Which of the following graphs represents a digital wave?

a)
b)
9.
A big advantages of digital technology is the recording does degrade over time.
a)
True
b)
False
10.
An analog signal is sent in Discrete pulses in two states, on= 1 or off= 0.
a)
True
b)
False
11.
Is this digital or analog?
a)
Digital 
b)
Analog
12.
Is this digital or analog?
a)
Digital 
b)
Analog
13.
Is this digital or analog?
a)
Digital 
b)
Analog
14.
Is this digital or analog?
a)
Digital 
b)
Analog
15.
Is this digital or analog?
a)
Digital 
b)
Analog
16.

Which of the following is an analog technology?

a)
b)
c)
d)
17.

Which type of waves can be stored as binary code?

a)

analog

b)

digital

c)

both analog and digital

d)

neither

18.

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

a)

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

b)

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

c)

the phone produces an electromagnetic wave with constant amplitude and frequency

d)

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

19.

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

a)

analog

b)

digital

c)

both analog and digital

d)

neither

20.

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

a)

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

b)

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

c)

all of the other answers are true

21.

Which form of data takes up less space?

a)

Digital

b)

Analog

22.

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

a)

Digital

b)

Analog

23.

Which of the following graphs represents an analog wave?

a)
b)
24.

Is this digital or analog?

a)

Digital

b)

Analog