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Computer Science > Ch.5 The internet and its uses > Flashcards

Ch.5 The internet and its uses Flashcards

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1
Q

internet

A

a very large global network that allows users to access the world wide web

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2
Q

infrastructure

A

the physical structure, such as all the components and cables, that are used to connect devices

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3
Q

network

A

computers and devices that are joined together using cables or wireless technology

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4
Q

world wide web

A

the collection of all the web pages and websites that have been made available

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5
Q

website

A

a collection of web pages, normally about a related topic or purpose

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6
Q

web page

A

a single page within a website

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7
Q

uniform resource locator (URL)

A

another name for the text-based address for a website

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8
Q

web browser

A

a piece of software that retrieves and displays web pages

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9
Q

protocol

A

a set of rules for transmitting data

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10
Q

domain name

A

a specific part of a URL that contains the unique name for the web server

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11
Q

domain name server (DNS)

A

a special server that contains a database of domain names and their corresponding IP address

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12
Q

web server

A

a network component where the web pages for a website are stored

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13
Q

hypertext transfer protocol (HTTP)

A

a protocol that is used for the transmission of web pages and related data across the internet

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14
Q

hypertext markup language (HTML)

A

a scripting (web authoring) language that is used to create web pages

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15
Q

cascading style sheet (CSS)

A

a scripting language that is used to create a presentation template for a web page

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16
Q

active script

A

this is the script that is used to produce any of the interactive elements of a web page

17
Q

hypertext transfer protocol secure (HTTPS)

A

a secure version of the HTTP that encrypts data for transmission

18
Q

encryption

A

a method of securing data for storage or transmission that scrambles it and makes it meaningless

19
Q

digital certificate

A

a certificate that is awarded to a website if they can prove that they are a real organisation and take measures to securely transmit their data

20
Q

certificate authority

A

the awarding organisation that checks if another organisation is real and secure before awarding them a digital certificate

21
Q

secure sockets layer (SSL) protocol

A

a type of protocol that encrypts data for transmission
combined with HTTP to create HTTPS

22
Q

transport layer security (TLS) protocol

A

an updated version of the SSL protocol

23
Q

render

A

the method of processing all the web page data, such as HTML, to display the web page

24
Q

address bar

A

the section of a web browser where you type the web page address

25
Q

user history

A

a record made on your web browser of all the web pages that you have visited

26
Q

bookmark

A

a link that can be created to allow you to quickly find a web page again

27
Q

tab

A

a website function that allows you to open multiple web pages in the same window

28
Q

window

A

a viewing area that is created in which a software application or file can be opened

29
Q

navigate

A

move around web pages, or move back or forward to previous web pages

30
Q

cookie

A

small text file that is used to store personal data, by a web browser

31
Q

session cookie

A

a type of cookie that is deleted when the web browser is closed

32
Q

persistent cookie

A

a type of cookie that is stored by the web browser until it is deleted by the user or because it has expired

33
Q

digital currency

A

a currency that exists electronically rather than physically

34
Q

cryptocurrency

A

a type of digital currency that uses encryption procedures

35
Q

blockchain

A

a method that is used to track all the transactions made with a cryptocurrency

36
Q

digital ledger

A

a database that is a list of all the transactions recorded by the use of blockchain

Computer Science (7 decks)

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