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computing > online safety > Flashcards

online safety Flashcards

1
Q

what is the internet?

A

a global computer network made up of interconnected computer networks - these are called routers

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2
Q

what is the web?

A

collection of info accessible through the internet. use browsers to access documents + web pages. navigation occurs through hyperlinks.

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3
Q

what is a router?

A

a device that interconnects networks

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4
Q

what is the world wide web?

A

an application that runs on the internet - vast network of linked hypertext files stored on computers, stored with info on a huge variety of subjects.

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5
Q

what does it mean to be online?

A

be connected to the internet and having access to it

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6
Q

what is a data center?

A

cables and routers as the core of the internet- without these we wouldn’t have access to any data needing apps- eg TikTok, Pinterest

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7
Q

why do we need cables?

A

to transfer data to other countries and continents

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8
Q

what are the benefits of having cables under the sea?

A

allows us to transfer the data rapidly to further places and is less costly than for example, satellite internet.

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9
Q

how much of our data is transferred by undersea cables?

A

99%

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10
Q

what is a search engine?

A

a computer program with a graphical user interface for displaying and navigating between web pages

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11
Q

how can we make searching on the web easier?

A
  • be specific
  • use quotation marks eg “chocolate” “soap”
  • use appropriate search engines
  • basic math to narrow down results
  • use advanced tools
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12
Q

what does BING stand for?

A

Because It’s Not Google

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13
Q

what do search engines do?

A

build up an index of results so that when someone searches something up they get related results

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14
Q

what is critical thinking?

A

the process of thinking carefully about a subject or idea without allowing feelings or opinions to get in the way

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15
Q

what is a hidden agenda?

A

people/web pages trying to persuade/influence your opinions and is not always obvious.

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16
Q

how can you gain trust in websites?

A
  • comparing with other websites
  • have a good history
  • background check
17
Q

what are some ways of critical thinking?

A
  • check the date of the info
  • stay away from eerie people online
  • never spread false information
  • talk to someone
  • take in account that anyone could be able to edit the website
  • figure out the tone
  • fact and opinion
18
Q

how is image search useful?

A 
o find identity of a person 
o find a similar image 
o check to see it art was produced by that person 
o check if item is available to buy
o find out what something is 
o picture of food 
o lost photo
19
Q

what does copyright © mean?

A

you must get permission from the people who own the copy rights to use the work - the people or company that owns the copyrighted work have the right to copy the creative work

20
Q

example of copyrighted works?

A
  • movies
  • tv shows
  • video games
  • music
21
Q

what is the public domain?

A

+ anyone is free to use this and copy it anywhere. permission NOT needed

22
Q

what is a creative commons licence cc ?

A

makes it easier to share info and clearly explain what a person can and can’t do with someone else’s creative work

23
Q

what is a variable?

A

a container in an algorithm that can be used to store data that changes as the algorithm runs- all of these have identifiers, data types + values

24
Q

what is a sequence?

A

specific order in which instructions are completed in an algorithm

25
Q

what is a selection?

A

uses decisions which determine which path the algorithm should take

26
Q

what is iteration?

A

repeating a sequence of clear steps that when followed will not carry out a task or problem

27
Q

what is an algorithm?

A

a sequence of clear steps that when followed will carry out a task or problem

computing (3 decks)

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