In which type of technology does the recording of a wave get used in its original form?
digital
radio
gamma
analog
Which technology turns recorded waves into numbers that can be stored in a device?
radio
digital
gamma
analog
Which type of signal maintains the quality of that signal or recording?
digtal
digitl
dgital
digital
Analog signals are able to carry more information than digital signals.
True
False
Which of the following is NOT true about digital signals?
They are replicas of sound waves.
They use binary values for data.
They are easier and more reliable to transmit.
They have a faster rate of transmission.
Does this image represent an analog signal or a digital signal?
anaolg
analog
anlog
analg
Why are analog signals prone to distortion & decreased transmission quality?
Each phase cannot store enough information.
The frequency of waves changes quickly.
Noise can interrupt the signals.
The amplitude of a wave is too high.
Digital signals have a finite range of values.
True
False
What does the finite range of a digital signal lie between?
0 to 100
0 to 1
10 to 100
a to b
Which of the following is NOT a benefit of using digital signals?
more reliable recordings
they can be stored for future recovery
they can be transmitted over long distances
recordings maintain their original form
Which type of transmission cable uses light instead of electricity to quickly transmit signals?
copper wire
metallic wire
fiber-optics
modems
The use of fiber-optics to transmit digital signals has created advances in all of these EXCEPT
clothing manufacturing
military & space applications
computer networking
medicine & surgery
Digital technology has created huge advancements in science.
True
False
Which of the following technologies does NOT use wireless digital signals?
AM radio
3G, 4G, LTE
Bluetooth
WiFi connectivity
Which type of digital signal has been used to advance science & scientific investigations?
all of these have advanced science
faster, worldwide communication
digital probes for lab use
digital transmission of space probes
