Lecture 9 Ch 8

Question 0

Discontinuous, discrete pulses

Answer 0

Digital signals

Question 1

What has continuous waves

Answer 1

Analog signals

Question 2

There are two kinds of converters

Answer 2

Analog to digital converter (ADC)/digital to analog converter (DAC)

Question 3

What is the maximum amount of data transmitted through the communication channel at one time called

Answer 3

Bandwidth

Question 4

Any transmission medium that carries several channels transporting data at high speeds is called

Answer 4

Broadband

Question 5

The ability to hear or see content well it is being downloaded from a website is

Answer 5

Streaming

Question 6

G varieties of twisted wire pairs name all three

Answer 6

Category five (cat – 5). Category five enhanced (cat – 5E). Category six (cat – 6)

Question 7

What consists of copper wire surrounded by insulation and braided wire

Answer 7

Coaxial cable

Question 8

Consists of thin strands of glass or plastic that carry data through pulses of light

Answer 8

Fiber-optic cable

Question 9

Wireless transmission media that carries data through the air using light beams

Answer 9

Infrared

Question 10

Enables music, pictures, and voice to travel through the air as radiofrequency or radio waves

Answer 10

Radio transmission

Question 11

Transmit data via all electromagnetic radio waves with short frequencies

Answer 11

Microwaves

Question 12

Process of transforming data into digital form

Answer 12

Digitization

Question 13

Group of digital cellular technologies replacing most analog cellular services

Answer 13

Personal communication service (PCs)

Question 14

What does WAP stand for?

Answer 14

Wireless application protocol

Question 15

Transmits documents over telephone line or the Internet

Answer 15

Facsimile transmission (fax)