Understanding IT

  • Created by: Ronel.p
  • Created on: 18-04-18 07:10
In context of IT what do disabilty people require
require the designer of IT products to think about how their product will enable access for all
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what does increases productivity mean
Increased productivity means more work produced in the same amount of time.
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what might you consider to a colour blind person
Choosing colours that will not cause problems for people with colour blindness.
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what can people with dyxlsia benefit from
simple to read type-faces suc as verdana and using less harsh contrast or light text on a deark background
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what might you consider to a blind person
a screen reader to speak the website
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what software use screen read
mac voice over by pressing cmd-f5
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what might blind people want on there images
alt text applied to them to describe what on it
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what can you use for a deaf person
subtitiless
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what does epotfolio allow
collaboration between people carrying out group task such as scientific experiment ,gathering ist of weblinks
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whats the disadvantage of eportfolio
the quality of information can be varible depending on who contributing
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whats a advantage of eportolio
shared gathering of knowledge can create a deeper understanding overall and encourage collaboration
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summarised version of adantage of wiki(3)
Anyone can edit/ . Easy to use and learn/ Published instantly
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summarised version of disadvantage of wiki(3)
Anyone can edit – potential for inappropriate content 2. Anyone can edit – potential for inaccurate information 3. Every contributor must have good internet connectivity
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Why write formally?
“To create a professional image of yourself.”
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Examples of formal writing using the web:
/In a web page e-portfolio which could be seen by future Employers, College or University Tutors./
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example of informal working
SMS, chat, instant messaging, texts to your friends, social media
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Appropriate use of Email
Checking recipients are correct. 2. Not using automated replies on mailing list e.g. “I’m out of the office” and why. 3. “Spam” - knowing not to contribute to it. b.3)check attachment do not have a virus,not to large to send or download
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purpose of word processing
used to create any type of text-based document from a letter to a novel
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Advantage of word processing
The ability to combine documents or incorporate text from one document into another without re-typing(1) ability to insert pictures, table, list and other object(1)add headers and footer on every document(1)
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examples of word processing
MS(doc and docx) /apple pages(.pages) and open office write(.odt)/rich text format and plain text files(txt)
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purpose of spreadsheets
are used for calculations, simple databases and modelling
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advantage of spreadsheet
complex calculation repeatedly(1) ability to present data in graphs and chart(1) pattens can be identified using what if data(1)
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examples of spreadsheet
Microsoft excel(xls and xlsx)/ apple numbers(.numbers) and open office calc(.ods) / comma sepreated files(csv
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purpose of multimedia presentations
is used to create slideshows
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Advantage of multimedia presentation
slide master- controls presenation apperance(1) animation- spcial effects to keep audience intrested(1) transition - different ways to change from one slide to another(1)
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Translation Tools advantage
Advantage - Can be used to communicate with someone in a different country.
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translation tools disadvantage
Translations can be unreliable and inaccurate.
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purpose of audio editing
audio recordings can be edited either in quite simple software, where a single clip is cropped or adjusted for volume
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advantage of audio editing
The advantage is that the adjustments to clips can be non destructive(orginal can be recovered) and poor recordings can often be improved by reducing noise or adjusting tone and volume
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purpose of video editing
video recordings allow audio and video files to be combined to produce rich multimedia experiance from stop frame animation all th e way to full movies
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advantage to video editing
clips can be gathered and mixed until the producer meets the needs if the audience
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bitmap graphic editors purpose
allow the user to make digital image and edit individual pixels of the image
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vector graphic editors
vector graphics are often a better format for page layout, logos such as cartoons and clips artt
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advantage of vector graphic editors
file sixes are smaller then bitmap graphics and can be scaled more easily
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Adope portable document
is a combination of vector and bitmap reasources that create a useful, non editable way of transferring documents between devices
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how does world wide web improve productivity
web forms survey group of people.2) wikis several people can work on a document
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how does word processing improve productivity
Word processing makes redrafting more efficient.Use off spell checkers to correct spelling mistake, templates(pre set) which can be modified to meet individual needs
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how does web forms increase productivity
Web forms to collect large volumes of data.
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cloud working
where the software runs in web pages on remote computers such as google apps and apple icloud apps
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advantage of cloud working
the files and software are available on any computer
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disadvantage to cloud working
a web connection is required and large files do not work particulary well in online application
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why its important to Name your file
Name files appropriately. so your more likely to remember it
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why you should organise folders
Folders are used to organise files. Help you and others find files.
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what are good passwords
should be between 8 to 15 characters, memorable without writing fown but not containing names or words that someone might guess.Also Combinations of numbers, symbols, uppercase and lowercase
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why you should not trust anyone on internet
People on the internet should not be trusted without good and independent verification of their identity.
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Digital footprint
Simple internet searches can reveal a lot about you and other people.
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why Locking computer before you leave is important
Knowing that leaving your computer without logging out is a very significant security breach in a school, college, university or business.
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presenting information to improve productivity For a general audience
Presenting information to a general audience, using web pages is the best option as information can be updated instantly.
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presenting information to improve productivity For face to face meetings
Desktop presentation software is better if there is a need for visual effects to a static audience. E.g. in a meeting or classroom.
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Why you should use cloud storage then emailing files as attachment
E-mailing files as attachments makes file management difficult.Using cloud storage allows a central storage and collaborative working
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what does clowed storage allow
Cloud storage allows central storage and collaborative working.
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How does web pages improve productivity
can be updated instantley. Can be made public to allow more people to see information or download files from a webpage
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why proprietary decrease productivity
Avoiding proprietary software online makes information more accessible to more people. Your audience won’t need a proprietary license.
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Productivity
improving the output e.g. using IT to help people work more efficiently.
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Collaborative
people working together e.g. working on the same IT project.
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how collaborative technology improve productivity
Collaborative technologies enable sharing documents and concurrent editing.
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how spreadsheet improve productivity
A spreadsheet enables mathematical models. (quantitative data)
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what type is telephone calls and web text or emails
two people are commuicating at same time so synchronous communication and one person at same time is asynchronous communication
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how vector improve productivity
Vector design programs produce drawings that can be scaled almost infinitely without loss of quality or increasing the size of the files.
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why is scalable graphics more productive then bitmap software
use of objects which can make graphics more quickly then bitmap software which edit dots./can be scaled without losing quality /large drwing are smale in size/can turn svg into jpeg but not other way around without loss of quality
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purpose of copyright
Protects the original creator of the material e.g. text, film, images, software and audio.
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how long does copyright last for
By default a material remains protected for 70 years after the persons death.
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is copy right priporetray or os
p
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Creative Commons Licensing vs copyright
creative common - Owner sets the license applied to their work. 3. Gives greater control and flexibility compared to copyright.This is because encourage infor,ation to be shared and imporved.might generate more intrest in a business
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Attribution (BY)
You may copy, distribute, display and perform the material and make other work based on it only if you give the author or licensor the credit.
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Share-alike (SA)
You can add to the work. However you must share this piece of work with exactly the same.
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Non-commercial (NC)
You may copy, distribute, display, and perform the work and make other work based on it, only for non- commercial purposes.
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No Derivative Works (ND)
You may only copy, distribute, display and perform only exact copies of the work. Cannot add to the work.
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Public Domain
Public domain means no one owns or controls the material in any way.
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Open Source
Written by a community of developers. Advantages: Can tweak software to suit your needs. Collaborative approach can lead to better software. Disadvantage: Support is often from a community of developers which can be frustrating to get a resolution sp
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p
Allowed to use under certain conditions. E.g. purchase of a license. Advantage: Support is normally well supported and training available. Disadvantage: Source code is hidden and tinkering will break license agreement.
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smart
A cost that is directly attributable to the project. e.g a new computer
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why use portable apps
because they can be run from a USB key without having to install anything on the computer.
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why use content management system
because it is easy to generate and edit web pages making them available to a wide audience.
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What could be included in an AUP?
1. Not sharing passwords 2. Being polite to other people in social/collaborative networks 3. Not attempting to hack into the system or use other people’s accounts. 4. No bullying.no copyrighting
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computer hacking
A computer program designed to cause deliberate damage to a computer. Main ways to infect a computer; • Attachment in an email • Download from the WWW
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What could be included in an AUP?
1. Not sharing passwords 2. Being polite to other people in social/collaborative networks 3. Not attempting to hack into the system or use other people’s accounts. 4. No bullying.no copyrighting
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Cloud Computing
Cloud Computing is where applications and data are stored on a remote location on the internet.
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Cloud Computing advantages
Save costs on technical support • Pay less for hardware and ongoing maintenance e.g. no need for servers
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Common Web Proprietary file types
.psd common proprietary image file type. (Adobe Photoshop). 2. .cdr proprietary image file type. (Corel Draw). 3. .flv common proprietary video file type. (Adobe Flash video). 4. .wma common audio file type. (Windows Media audio).
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what is lixus system
The Linux open source operating system,
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what word processing document is recommended by the uk g
.odt
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What a macro
A macro in aspreadsheet( a short sequence of instructions which runs automatically) and carries out repetitive task
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whats an expensive elemetnt when moving to a new opensource it system
tranning the staff on the new software
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what two things should you consider before downloading viruses
could have a virus,
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purpose of copyright
Protects the original creator of the material e.g. text, film, images, software and audio.
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copy right law
In the UK Copyright, Designs and Patents Act (1988).
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Reasons for AUP’s can include
privacy, accountability, technical security against malware and general good manners.
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What is a patent?
protection of ownership of an invention. can take legal action against anyone who copies work.
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Reasons for AUP’s can include
privacy, accountability, technical security against malware and general good manners.
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What is a patent?
protection of ownership of an invention. can take legal action against anyone who copies work.
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What is licensing?
Selling the right to use an intangible property for a fee or royalty
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What are the pros and cons of a desktop software presentation!
Pros Good visual effects. Don't need internet access to make CONS Hard to redraft a saved version. Can't assume everyone has application. exampe is microsoft powerpoint
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Why are text messages good?
Enables low cost instant communication
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why are emails good?
Rapid communication that includes plain or formatted text and attachment
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What is CMS?
Content management system. anset of related programs to create or manage digital content. it's easy to create or edit websites so it applies for a wide audience
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is the
is the path that data takes from its original setting to its end user
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What is information flow?
is the path that data takes from its original setting to its end user
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The efficiency of info flow depends on?
Choices made for systems and software used.
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How do we improve efficiency in IT
use macros and scripts
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What are problems with information flow?
What are problems with information flow?
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benefits and limitations for luntchtimes system on the clond
parents can acess anytime, they can see and control what their children is eating. Limitations :parents without internet
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advantages to moving to the cloud
would not have to pay a license or support the sftware.(1)The cloud software would be autoatically updated and improved.YOu can acess it anywhere
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3 keyboard shortcuts for changing higihjted text to bold italic or underlined and select all
CRTL B, CRTL I an CTRL U, Ctrl + A
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why do you need to sign a AUP
SO x and staff to work together using it in a way that is socially acceptable to the xompa
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advantages to moving to the cloud
would not have to pay a license or support the sftware.(1)The cloud software would be autoatically updated and improved.YOu can acess it anywhere
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3 keyboard shortcuts for changing higihjted text to bold italic or underlined
CRTL B, CRTL I an CTRL U
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why do you need to sign a AUP
SO x and staff to work together using it in a way that is socially acceptable to the xompa
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advantages to moving to the cloud
would not have to pay a license or support the sftware.(1)The cloud software would be autoatically updated and improved.YOu can acess it anywhere
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3 keyboard shortcuts for changing higihjted text to bold italic or underlined
CRTL B, CRTL I an CTRL U
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why do you need to sign a AUP
SO x and staff to work together using it in a way that is socially acceptable to the xompa
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advantages to moving to the cloud
would not have to pay a license or support the sftware.(1)The cloud software would be autoatically updated and improved.YOu can acess it anywhere
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3 keyboard shortcuts for changing higihjted text to bold italic or underlined
CRTL B, CRTL I an CTRL U
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why do you need to sign a AUP
SO x and staff to work together using it in a way that is socially acceptable to the companya
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why do some lineshave the # in front of them
The # means it is a comment and not to be run as code
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Purpose of Information Technology
To reach a wide audience at a low cost
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Presenting Information in a Webpage instead of DTP?
Webpage is on the internet therefore easier for many more people to access
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Dangers of executable files downloaded over the internet
viruses other Malware such as Trojan Horse, Worm, Spyware etc Computer Viruses potentially harm you computer in a number of ways. Commonly they corrupt files making them unaccessible, slow a computer down, delete files, and can even restrict interne
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How IT benefits a subject at school?(grography)
For example Geography: 1. Allows you to research a town or city using a search engine. 2. Produce graphs easily from survey results 3. Check spelling and grammar easily on a report of the town researched.
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How IT benefits a subject at school?(englsih)
. Share a poem written easily via cloud computing (i..e google docs) 2. Check spelling and grammar easily in word processing software using the in built tool. 3. Present work neatly in a Presentation
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advantage of svg
1. can be resized without any loss to quality or resolution. 2. It is easy to convert an SVG to another image type. 3. Generally the file size is smaller than other file formats
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Png benefits
1. Allows for transparency i..e transparent background on an image 2. Lossless Compression reducing file size from 5%-25%
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Problems with Installing New Software
1. May have to be purchased 2. Training staff to use software 3. Old files might not be compatible with new software
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Cross-Platform
Refers to the capability of software or hardware to run identically on different platforms. such as google chrome
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What is a .HTML file?
Web page. hypertext markup language. creates website
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Best method of collecting data
Using a Web form - easy to share and analyse the data
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The OS least likely to be affected by a virus is
linxus
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Your decide to share a copy of an audio file which you found on the internet. What 2 things do you need to consider before sharing this file with another friend? (2 marks)
Corrupted? Safe - no viruses? Do I have the software to open this? Are there any copyright restrictions? How do we share?
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Our sister school in Taiwan wants to collaborate on a geography project. Suggest and explain how we might do that. (3 Marks)
Cloud software like google docs Or web publishing software - they can all view on their web browsers and perhaps interact with you Email
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What is are 3 assistive technologies which are used in IT for people with disabilities (3 Marks)
Simple to read typefaces Voice overs for websites.Subtitles
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Your school has decided to use an open source graphics application for all design work in different subject areas. Explain two advantages of this decision? (3 Marks)
Advantages • Its free.• You can modify open source software code for your own business requirements, something that is not possible with proprietary systems
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Your school has decided to use an open source graphics application for all design work in different subject areas. Explain one disadvantage of this decision? (3 Marks)
here may also be less support available for when things go wrong - open source software tends to rely on its community of users to respond to and fix problems.
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A key driver in the update of cloud based systems is in the concept of interoperability. Describe what this term means and give two clear examples of how it functions in practice.
Definition of interoperability - is the ability of a system or a product to work with other systems or products without special effort on the part of the customer. Examples: • A mouse plugs that into a laptop and starts working immediately.
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What is the purpose of the AUP? (2 Marks)
To enable a group of people to work together which is socially acceptable to the group.
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A friend needs to work out their finances because they are in debt. What software or application would you recommend? Why? (3 Marks)
windows excel because they will be familiar with it and there is a wide range of features and tools and a good library of templates.
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Your IT teacher has asked you to use software to create a spreadsheet for your coursework. Describe 3 ways in which IT makes the document more professional. (3 Marks)
• I can draft and redraft work more easily to make it as perfect as I can. • Spell-checkers help me improve my spelling by flagging up words that are incorrectly spelt. Editing and formatting tools allow me to make it look suitable. • Templates all
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Describe one reason why eportfolios are used by people.
They can collaborate Knowledge can be shared Employers can find out about a persons skills through clicking on one simple URL.
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Copyright law" in a digital age is unworkable. Explain two reasons why someone might agree with this and two reasons why someone might disagree.
is massive evidence of law breaking with illegal downloads of music, films and programs from the internet. It is so easy to copy digital data it is impossible to prevent this without the disadvantages of inconvenience to all users outweighing advant
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Copyright law" in a digital age is unworkable. Explain a reason why someone might agree with this a
There are so many different licenses it is impossible for ordinary people to understand them all. Copyright mostly protects large monopolies rather than individual authors as it was originally intended.
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Copyright law" in a digital age is unworkable. Explain two reasons why someone might agree with this and two reasons why someone might disagree.
Although there is a lot of law-breaking, copyright is still used usefully in most information based industries.
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You have signed up to a music site. Their Acceptable Use Policy requires you to sign it by ticking a box to say you have read the AUP and you agree to it. Why do they do this? (2 Marks
Accountability means that if you do break it, you cannot say that you didn't know. agreeing to behave in a way set out by the website. In the case of doing something that could get them in to trouble, i.e.posting copyrighted files on to on to their s
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A company is about to upgrade its desktop office software and the cost will be £10,000 in new licenses. They have the option to use a different office suite for free. What are the likely issues involved in deciding what to do (3 Marks)
Can they transfer important files reliably to the new system? Can they keep the old system going alongside the new system in case there are any problems?
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The government has sent you an email to tell you you have been caught speeding and you need to go to the link to pay the fine. This is
phishing
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Lock-in (In relation to use of software and file types)
Vendor lock-in is a situation in which a customer using a product or service cannot easily transition to a competitor's product or service. Vendor lock-in is usually the result of proprietary technologies that are incompatible with those of competito
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Key aspects of 1998 data proctection law
Data must be kept safe and secure/information an only be held and used for given purpose/ must relevant and not excessive/ must be accurate and up to date/files not transferred out EU
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what can people with dyxlsia benefit from

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