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