Digital
Analog
AM
FM
miscellaneous
100
Can digital's sound vary?
Yes.
100
Are analog waves sensitive?
Yes
100
Is AM still widely used?
Yes.
100
FM is used in what communication?
Wireless.
100
Is digital better than analog?
Yes
200
What format does digital use?
Binary format.
200
Does a laptop use analog waves?
No.
200
What does AM stand for?
Amplitude Modulation.
200
What does FM stand for?
Frequency modulation.
200
What is the difference between analog and digital graphs?
One is sine one is boxy.
300
What do digital waves look like?
Square or boxy.
300
What is the shape of an analog wave?
Sine or curved.
300
What are AM signals used in?
GPS & other navigation systems Satellite communications
Computer networks
TV
Mobile phones
300
What are FM signals used in?
Wifi
Any type of wireless communication
Satellite communication
300
What is the binary format?
010101010101
400
What is digital used for? (list 3)
Computers, phones, satellites, USB ports, and modern technology.
400
Why does your tv screen or radio have static and why?
Because Analog is sensitive. It's sensitive because it uses changing waveforms.
400
What is the transmission distance for AM?
About 100 miles.
400
What is transmission distance for FM?
40 miles.
400
What is the same use that AM and FM have in common?
Satellite communication
500
What does digital take samples from?
Analog samples.
500
What occurs when tiny imperfections appear on analog?
Pops or crankles.
500
What does the wave strength depend on?
The sound information.
500
FM has a lot of wiggle room. This could create what?
More sounds, more accurately.
500
Unlike AM waves, FM waves can ignore what?
Other sounds.