The Internet: Wires, Cables, WIFI

Question 1

What is the defn of Bandwidth?

Answer 1

the max transmission capacity of a device

Question 2

Another defn of bandwidth

Answer 2

amount of data that cn be transmitted in a given amount of time.

Question 3

Bandwidth of a system is often measured in what units

Answer 3

Bitrate

Question 4

Bitrate defn

Answer 4

of bits/sec a system can move across-transmit

Question 5

A diff term in which data transmission speed is measured

Answer 5

Latency

Question 6

The time it takes 1 bit to travel from sender to receiver is clled

Answer 6

Latency

Question 7

A tangible, physical system that was built to move info One example is………

Answer 7

The internet

Question 8

Internet ships what type of information?

Answer 8

Binary

Question 9

What can be described as any pair of opposites?

Answer 9

bit

Question 10

3 examples of pair of oppositesq

Answer 10

yes/no . on/off . 1/0

Question 11

How many bits strong together make 1 byte

Answer 11

8

Question 12

A bit has two possible states and is therefor called?

Answer 12

Binary code

Question 13

How many bytes make a kilobyte

Answer 13

1000

Question 14

How many kilobytes make 1 mb

Answer 14

1000

Question 15

A song is encoded using about how much information

Answer 15

3-4 mb

Question 16

A picture, video, song data hold data in bits t/f

Answer 16

true

Question 17

The atoms of information are called_____

Answer 17

Bits

Question 18

What is the physical stuff that gets sent order the wires and airwaves

Answer 18

Binary information. on/off state

Question 19

We send bits by what 3 methods

Answer 19

Electricity - copperwire, light, radiowaves.

Question 20

We physically send bits across the internet by _____

Answer 20

Electricity, Light, and Radiowaves

Question 21

How can I send 5 Os in a row

Answer 21

Introduce a timer and agree on how many bits will by sent in a certain # of sec, for example.

Question 22

For example to download a 3 mb song. in 3 sec the bitrate is ____

Answer 22

8 million bits = 1 megabytes

Bitrate = 8 mbps.