WorksheetsWave Applications Review
Total questions: 12
Worksheet time: 10mins
Name
Class
Date
1.
Both analog and digital signals are a copy/representation of something.
a)
True
b)
False
2.
What is an example of an analog signal?
a)
Hands on a clock
b)
High speed internet
c)
Fiber optics
d)
Cable TV
3.
Which is a possible ADVANTAGE of ANALOG?
a)
It is easier to edit and view
b)
There is subjectivity (more guesswork) in taking readings or measurements
c)
Information is easier to store, takes up less room, and is more secure
d)
It may be more accurate
4.
What is an example of a digital signal?
a)
A mercury thermometer reading
b)
Human voice
c)
A painting
d)
Cell phone text message
5.
Which of the following is NOT a characteristic of DIGITAL signals?
a)
Uses computers for easier interpretation
b)
Easy to reproduce without error (or error that is easily corrected)
c)
Is transmitted more quickly
d)
Is converted into code
e)
Does not travel well over great distances
6.
Analog signals can be converted into digital signals by the process of
a)
Sampling
b)
Decoding
c)
Interference
d)
Copying
7.
Joe and Sam are sampling data, Joe is sampling every 5 milliseconds, Sam is sampling every 10 milliseconds. Who will have a better-quality copy?
a)
Sam
b)
Joe
c)
Impossible to tell
d)
They will be of the same quality
8.
Label the components of sending a signal
a)Source
b)Encoder
c)Analog Signal
d)Transmitter
e)Digital Signal
f)Receiver
g)Decoder
h)Destination
1
2
3
4
5
6
7
8
1)
2)
3)
4)
5)
6)
7)
8)
9.
Identify the digital signals
A
B
C
D
E
F
G
H
I
J
10.
Identify the Transmitters
A
B
C
D
E
F
G
H
I
J
11.
Identify the Destination
A
B
C
D
E
F
G
H
I
J
12.
Which type of music recording has the reputation for sounding more LIVE with "hissing" sound from original performances?
a)
Digital recordings
b)
Binary data transfer
c)
Analog recordings
d)
Telegram recordings
100 %
