The Internet: Wires, Cables, WIFI Flashcards
What is the defn of Bandwidth?
the max transmission capacity of a device
Another defn of bandwidth
amount of data that cn be transmitted in a given amount of time.
Bandwidth of a system is often measured in what units
Bitrate
Bitrate defn
of bits/sec a system can move across-transmit
A diff term in which data transmission speed is measured
Latency
The time it takes 1 bit to travel from sender to receiver is clled
Latency
A tangible, physical system that was built to move info One example is………
The internet
Internet ships what type of information?
Binary
What can be described as any pair of opposites?
bit
3 examples of pair of oppositesq
yes/no . on/off . 1/0
How many bits strong together make 1 byte
8
A bit has two possible states and is therefor called?
Binary code
How many bytes make a kilobyte
1000
How many kilobytes make 1 mb
1000
A song is encoded using about how much information
3-4 mb
A picture, video, song data hold data in bits t/f
true
The atoms of information are called_____
Bits
What is the physical stuff that gets sent order the wires and airwaves
Binary information. on/off state
We send bits by what 3 methods
Electricity - copperwire, light, radiowaves.
We physically send bits across the internet by _____
Electricity, Light, and Radiowaves
How can I send 5 Os in a row
Introduce a timer and agree on how many bits will by sent in a certain # of sec, for example.
For example to download a 3 mb song. in 3 sec the bitrate is ____
8 million bits = 1 megabytes
Bitrate = 8 mbps.
