3a

1.

1 point

Define ARPANET

The first computer network linking British scientists working on space research in the 1960s

The first computer network linking U.S. scientists working on space research in the 1960s

The first computer network linking Russian scientists working on space research in the 1960s

The first computer network linking Italian scientists working on space research in the 1960s

2.

1 point

Define 'file sharing'

exchanging data with other internet users

exchanging internet with other computer users

exchanging files with other internet users

exchanging data with other computer users

3.

1 point

what is a web browser?

a wi fi application that displays web content

an internet application that displays web content

a google application that displays web content

a software application that displays web content

4.

1 point

what is th function of TCP?

The TCP divides the internet into data packets

The TCP divides the IP into data packets

The TCP divides the URL stream into data packets

The TCP divides the byte stream into data packets

5.

1 point

what is a twisted pair line?

a transmission line of three insulated wires twisted to form a wid flat cable

a transmission line of two insulated wires twisted to form a narrow flat cable

a transmission line of two insulated wires twisted to form a wide round cable

a transmission line of two insulated wires twisted to form a wide flat cable

6.

1 point

why was TCP/IP originally designed?

to provide a common means of communication for all the networks comprising the internet.

to provide a common means of communication for all the computers comprising the internet.

to provide a common means of communication for all the modems comprising the internet.

to provide a common means of communication for all the networks comprising the internet.to provide a common means of communication for all the networks comprising the to provide a common means of communication for all the search engines comprising the internet.

7.

1 point

The wavelength is the distance between two ..................parts o the waveform with the same amplitude.

consecutive

cycles

oscillation

fal

8.

1 point

what is an IP address

four sets of numbers separated by dots

two sets of numbers separated by dots

three sets of numbers separated by dots

five sets of numbers separated by dots

9.

1 point

What is the difference between a URL and an IP address?

a URL consists of mainly signals while the IP address is a sequence of waves that computers can use.

a URL consists of mainly letters and words while the IP address is a sequence of numbers that computers can use.

an IP consists of mainly letters and words while the URL address is a sequence of numbers that computers can use.

a URL consists of a computer while the IP address is a modem that computers can use.

10.

1 point

what is a byte stream?

a flow of digital data

a flow of wi fi data

a flow of analogue data

a flow of internet data

11.

1 point

What were the browser wars?

They describe the commercial rivalry between Linux and Netscape to dominate the browser market

They describe the commercial rivalry between Microsoft and Netscape to dominate the browser market

They describe the commercial rivalry between Apple and Netscape to dominate the browser market

They describe the commercial rivalry between Google and Netscape to dominate the browser market

12.

1 point

what is the address bar?

the location where the URL appears

the location where the computer appears

the location where the internet appears

the location where the wi fi appears

13.

1 point

what is a search engine?

a computer that helps you find information on the internet.

a programme that helps you find information on the internet.

an application that helps you find information on the internet.

a widget that helps you find information on the internet.

14.

1 point

Define upload speeds?

The speed of the computer when transferring data to the server

The speed of the browser

The speed of the connection when transferring data to the server

The speed of the connection when surfing the net

15.

1 point

electromagnetic waves are produced by the ............... or acceleration of an electric charge.

fall

consecutive

oscillation

cycles

16.

1 point

what is a layer?

TCP/IP consists of a basic set of three of these.

TCP/IP consists of a basic set of four of these.

TCP/IP consists of a basic set of five of these.

TCP/IP consists of a basic set of six of these.

17.

1 point

define a two-wire ribbon line

A guideline which consists of two twisted dielectric

A transmission line which consists of two twisted conducting wires

A transmission line which consists of two parallel conducting wires

A transmission line which consists of two twisted dielectric

18.

1 point

what is a waveguide?

it s a twisted wire which guides electromagnetic, light or sound waves

it s a hollow pipe which guides electromagnetic, light or sound waves

it s a coaxial cable which guides electromagnetic, light or sound waves

it s a copper cable which guides electromagnetic, light or sound waves

19.

1 point

each wave has a frequency which is the number of ..................per second.

oscillation

cycles

consecutive

fall

20.

1 point

Why is Internet Explorerlosing some of its dominance in the market?

Because Internet Explorer is expensive

Because Internet Explorer is a target for virus writers

Because Internet Explorer is bad

Because Internet Explorer is very slow