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CCEA GCSE Digital Technology Unit 1 > Chapter 6 - Network Technologies > Flashcards

Chapter 6 - Network Technologies Flashcards

1
Q

What is a network?

A

A network is of a number of computers linked together either by cable or by using wireless technology

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2
Q

What does LAN stand for?

A

Local Area Network

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3
Q

What is a LAN?

A

A network spread over a SMALL geographical area.

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4
Q

Give an example of a LAN

A

A school network

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5
Q

What does WAN stand for?

A

Wide Area Network

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6
Q

What is a WAN?

A

A network spread over a LARGE geographical area

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7
Q

Give an example of a WAN

A

The internet

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8
Q

What is a file server?

A

A computer on a network that is responsible for the storage and management of data files so that other computers on the same network can access the files.

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9
Q

What is a back-up?

A

A copy of a file made and stored on a different storage device in case the original file gets lost, or becomes corrupted or physically damaged.

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10
Q

What is a virus?

A

Software designed to damage a computer system

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11
Q

What is the internet?

A

An international network

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12
Q

What does WWW stand for?

A

World Wide Web

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13
Q

What is the World Wide Web?

A

The WWW is a means of accessing information over the internet. It is made up of web pages linked by hyperlinks.

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14
Q

What does URL stand for?

A

Uniform Resource Locator

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15
Q

What is a URL?

A

A URL is the address of a web page on the WWW

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16
Q

What does HTML Stand for?

A

HyperText Markup Language

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17
Q

What is HTML?

A

An authoring language used to write web pages

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18
Q

What is a hyperlink?

A

A hyperlink allows users to move from one HTML page to another

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19
Q

What is a communications protocol?

A

A SET OF RULES that allow communication between two different computer systems

20
Q

What does HTTP stand for?

A

HyperText Transfer Protocol

21
Q

What is HTTP?

A

A protocol used by the World Wide Web that allows web pages to be transferred on the internet

22
Q

What does IoT stand for?

A

Internet of Things

22
Q

What is an intranet?

A

A private network set up as a secure website, owned and managed by a organisation

22
Q

What is broadband?

A

A telecommunications link that provides a wide bandwidth communication for a HIGH SPEED INTERNET CONNECTION

23
Q

What is the IoT?

A

Smart devices connected to the internet

24
Q

What is a sensor?

A

An input device used to measure a physical quantity such as temperature, pressure or loudness and convert it into a digital format for input to a computer

25
Q

What does Wi-Fi stand for?

A

Wireless Fidelity

26
Q

What is Wi-Fi?

A

A radio technology that allows devices to connect together

27
Q

What is Bluetooth?

A

A radio technology that allows devices to connect together over short distances

28
Q

What is optical fibre?

A

A communications medium that uses very thin glass strands to send data at very fast transmission speeds

29
Q

What is bandwidth?

A

The amount of data that can be transmitted over a network in a fixed amount of time. Measured in bits per second

30
Q

What does bps stand for?

A

bits per second

31
Q

What is a repeater?

A

A network device used in a fibre optic communications system to boost a signal

32
Q

What is 4G?

A

A mobile phone technology that allows high speed data access

33
Q

What does NIC stand for?

A

Network Interface Card

34
Q

What is a NIC?

A

A Network Interface Card is an electronic board fitted to a computer so it can be connected to a network

35
Q

What does WNIC stand for?

A

Wireless Network Interface Card

36
Q

What is a WNIC used for?

A

A WNIC is usually used to WIRELESSLY connect portable devices (like laptops) to a network

37
Q

What is ethernet?

A

A network cable that allows access to a network when plugged into a NIC.
Provides a more stable connection that Wi-Fi

38
Q

What is a switch?

A

A switch is a hardware device that allows a computer to connect to it using a cable to access a network.

39
Q

What is a router?

A

A hardware device which connects a number of networks together either by cable or wireless, to allow data transmission

40
Q

What is a topology?

A

The shape of a network. E.g. a bus or ring

41
Q

What is a Bus network

A

A network topology where all computers are placed along a backbone and data can travel both ways.
There are terminators at each end to stop the data from bouncing back.
If the backbone breaks the entire network will fail.

42
Q

What is a Star network?

A

A network topology in which all computers are connected to the main computer by their own cable.

43
Q

What is a backbone?

A

The main cable on a bus network

44
Q

What is a Ring network?

A

A network topology in which there is no central controlling computer each computer is directly connected to its neighbouring computers to form a ring.

CCEA GCSE Digital Technology Unit 1 (10 decks)

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