Connection Devices

Question 1

Because the telephone was originally designed for voice transmission, telephone lines were designed to carry ________ which are continuous electronic waves

Answer 1

analog signals

Question 2

Computers send and receive ________ which represent the presence or absence of an electronic pulse

Answer 2

digital signals

Question 3

The word ________ is short for modulator-demodulator.

Answer 3

modem

Question 4

____________ is the name of the process of converting from digital to analog

Answer 4

Modulation

Question 5

______________ is the process of converting from analog to digital

Answer 5

Demodulation

Question 6

The speed with which modems transmit data varies. This speed called ___________ is typically measured in millions of bits ________________.

Answer 6

• transfer rate
• (megabits) per second (Mbps)

Question 7

A _____________ modem uses standard phone lines to create a high-speed connection directly to your phone company’s office.

Answer 7

DSL (digital subscriber line)

Question 8

A __________ uses the same coaxial cable as your television.

Answer 8

cable modem

Question 9

A __________ is also known as a _____________. Almost all computers today have these built in.

Answer 9

• wireless modem
• WWAN (wireless wide area network) modem

Question 10

Copper lines known as _______ lines, that could be combined to form higher capacity options known as ____ or _______ lines. These lines have largely been replaces by faster ___________ lines.

Answer 10

• T1
• T3
• DS3
• optical carrier (OC)

Question 11

For years individuals relied on ____________ using existing telephones and telephone modems to connect to the Internet.

Answer 11

dial-up services

Question 12

__________________ including Verizon, AT&T, Sprint, and T-Mobile, support voice and data transmission to wireless devices using cellular networks.

Answer 12

Cellular Service providers

Question 13

__________ could only transmit analog signals used for voice communications

Answer 13

First generation (1G)

Question 14

____________ used radio signals for cellular calls and introduced texting

Answer 14

Second generation (2G)

Question 15

______________ improved data speeds and introduced widespread use of the Internet on cell phones

Answer 15

Third generation (3G)

Question 16

____________ uses ____________ connections for increased internet speeds, making streaming videos and music popular on cell phones

Answer 16

• Fourth generation (4G)
• Long Term Evolution (LTE)

Question 17

____________ is the newest and fastest network, with speeds rivaling home internet connections. New technology.

Answer 17

Fifth generation (5G)

Question 18

_____________ is provided by telephone companies using existing telephone lines to provide high-speed connections.

Answer 18

Digital subscriber line (DSL) service

Question 19

_____________ is one of the most widely used types of DSL. DSL is much faster than dial up.

Answer 19

ADSL (asymmetric digital subscriber line)

Question 20

_________ is provided by cable television companies using their existing television cables. connections usually faster than DSL.

Answer 20

Cable service

Question 21

___________ is showing up in some area, but it is a new technology and not widely available.

Answer 21

Fiber-optic service (FiOS)

Question 22

____________ use satellites to provide wireless connections. Although slower than DSL and cable modem, satellite connections are available almost anywhere using a satellite-receiving disk.

Answer 22

Satellite connection services