INF02 Revision

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What is the use of ICT in technology?
Input, Processing, Storage, Transfer and Output of information
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What is the IPO?
Input is the capturing of data, Processing is changing the data into information and the Output is the information produced.
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Why do organisations use ICT?
Organisations use ICT to fulfil their goals, it is commonplace for organisations to use ICT to produce information because before it would have been paper-based.
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What are the components to an ICT system?
People, Procedures, Software, Hardware, Information and Data.
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What is data?
Data is raw meaningless facts and figures that haven't been processed so they have no meaing.
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What different forms can data come in?
Pictures, Videos, Sounds, Text and Numbers.
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What is coding?
Sometimes data is coded before collection before being entered into an ICT system and it involves shortening the original form.
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Why is data encoded?
It is used to convert data into machine readable form however, some data may be encoded to decrease its size so storage can be improved.
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What are barcodes?
They are commonly used in stock control, the series of bars and spaces represent the code number which is read by a barcode reader.
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What is processing?
Processing is the function the computer does to convert data into machine readable form an so that it represents something meaningful (changes data into information).
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What are the factors that affect the quality of information?
Accuracy, Data, Reliable source, Completeness and Relevance.
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What do you need to consider when designing an ICT system?
You need to consider that all users have different abilities and requirements so if the system is to be successful the needs and requirements need to be met.
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What factors need to be considered when designing an ICT system?
Cost, Time-scale, Client and Requirements.
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What characteristics of the user needs to be considered when designing an ICT system?
Age, Experience, Disabilities, Task to be undertaken and Environment of use.
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What does a GUI stand for and what does it use?
Graphical User Interface and consists of Windows, Icons, Menus and Pointers (WIMP).
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What other types of user interfaces are there?
Command-line interface and Menu-drive interface.
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What tools can be used to provide assistance?
Tutorials, Search options, Help buttons and User guides.
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To work in ICT what characteristics do you need to have?
Good oral and written communication, Problem solving skills, Willingness to work flexible hours and Teamwork.
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What is a network?
A network consists of different computer devices being connected together by different transmissions such as phone lines, satellites and optical fibre.
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What is a LAN, MAN and WAN?
LAN covers a single network through the use of cables, WAN covers a larger geographical location and MAN covers an area such as a town.
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What are the advantages of using a network?
It allows you to communicate and share resources.
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What is the definition of the internet?
The internet is a large number of interconnected computers around the world that allows the sending and retrieval of information from one computer to another.
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What is the definition of the world wide web (WWW)?
The world wide web is a collection of multimedia resources accessible all around the world via the internet.
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What is De facto Standard?
Is where no formal agreement has been made, but there is a rule that has commonly used in practice.
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What is De jure standard?
Is a legally binding standards that all employees must work to, they place restrictions on what can be done and employees feel it slows down productivity.
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What is a protocol?
A protocol includes formatting rules that specify how data is packaged into messages. It may also include convention slike message acknowledgement or data compression to support reliable, high-performance network communication.
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What threats do employees propose to an organisation?
They could sell confidential data for personal gain, data could be lost or passed on through carelessness or an employee could make copies and email information to third parties. Also,employees could delete or sabotage data that is kept in systems.
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What could human error effect an organisation?
Passwords or logins could be forgotten, backup media could be lost and files are at risk from fire or flooding.
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What is the difference between malpractice and crime?
Malpractice is when an employee goes against an organisation's code of practice but a crime is when the law is broken through the use of computers.
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What is a virus and how can it be prevented?
A virus is the most common cause of attack on ICT systems as they can corrupt files and fastly multiply, they can be entered through attached files via email but the use of anti-virus software can be used to prevent viruses entering the system.
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What is spyware?
It is when you illegally looking through someone's system.
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What are the reasons behind security breach?
Showing off, personal gain, sabotage and financial gain.
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What can ICT provide?
Fast repetitive processing, Vast storage capacity, improves search facilities, improved presentation of information, improved accessibility to information and improved security of data.
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What are the limitations of ICT systems?
Cost limitations, humans are sometimes better than computers, computers don't always explain, limitations on the information they can produce and appropriateness of solution.
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What types of processing are there?
Batch, Interactive and Transaction.
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What is ICT vital for?
Communication, Education, Medication, Government and Businesses.
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What are cultural factors in ICT?
With advances in ICT, it has led to friendships being made all around the world and websites have made it possible for all kinds of people to share their views.
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What are economic factors in ICT?
Investing in new ICT equipment means that organisations can work more effectively as the new equipment may be very useful because it may lead to organisations not needing as many staff. Not upgrading ICT equipment will make them uncompetitive.
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What are environmental factors in ICT?
Most organisations are going green and are leaning more towards having paperless offices, with the use of teleworking, employees don't have to drive to work anymore as they can simply work from home.
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What are ethical factors in ICT?
There are many different ethical factors in ICT such as using email during work time to send private emails that you shouldn't be doing. Anyone can post photos on the internet which can have many consequences.
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What are legal factors in ICT?
The main legal factors in ICT aim towards employees following the law, the correct procedures in place and training being in place for employees.
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What social factors in ICT?
Teleworking can let people work at home which means they don't have to go into their office, it allows all people to make friends all around the world and we don't need to be face to face with them because we can video chat.
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What is a consequence of ICT?
Many people spend hours in front of a computer which has led to less social interaction in real life, which has been associated with obesity increases.
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What is another consequence of ICT?
It has been argued that computers are fastly replacing humans.
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What is the main consequence of ICT?
People are becoming to be over-dependent on ICT systems which could have serious consequences as they often fail.
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Other cards in this set

Card 2


What is the IPO?


Input is the capturing of data, Processing is changing the data into information and the Output is the information produced.

Card 3


Why do organisations use ICT?


Preview of the front of card 3

Card 4


What are the components to an ICT system?


Preview of the front of card 4

Card 5


What is data?


Preview of the front of card 5
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