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Health How are they caused/ what How can it be prevented?
Proble are the symptoms?
m
Bac Sitting with an incorrect posture Use an adjustable chair
k Sitting awkwardly at a desk. Check adjustment of the chair
Ach Use of foot support
e Sit up straight on the chair with feet
flat on the floor.
The screen should be lined up and
tilted according to the user.…read more

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In simple terms, the health and safety at work act states that employers have the duty to
minimise risk to employees in the work place, by ensuring they have a safe place to work, and
a safe system of work. Alongside the Health and Safety at Work Act, there is the Health and
Safety (Display screen equipment) regulations 1992. These regulations cover the use of
computer equipment.…read more

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Once new software has been created, the software should be tested, and if any
changes are needed, they should be made. Ideally the person testing the solution should be the
person who is going to be using it, as they will be able to point out any issues much easier.
Another method of reducing issues with new software could include the use of help
desks and appropriate training and logging any issues. This way, issues can be directed to the
appropriate users, e.g.…read more

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The output of one system may provide the input for a given system.
For example a local schools data records (output) may be used for
comparing with nationwide schools (input)
o Podcasts
Podcast: An audio file, created in MP3 format (which is compatible
with all audio players).
It is then uploaded onto a website by an RSS file, which is sent to
the server (RSS really simple syndication)
Main uses of podcasts are to make personal radio programmes,
revision podcasts, product promotions and event news.…read more

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Validation The process where data is checked, to ensure it is acceptable (sensible
and reasonable) for processing.
Verificatio A check which is used to ensure the data inputted into the system
matches exactly with the data provided on the document which was used
n to supply the information.
Validation Description Example
Check
Data type Ensures data being entered is in Numbers being entered into
Checks the same data type is being numeric fields.…read more

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Enable data to be checked (verification)
Applying a range of checks (validation and verification)
Verification
Verification can only occur in two methods proof reading and double
entry of data.
Proof Reading: Rereading the data that has been entered to check for any
entry errors. If personal details are being entered, the person will generally check the
data carefully.
Double entry: By entering data twice, data is only accepted if both entries
match.…read more

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Using the output, understand what is needed from the client, and how it needs
to be processed.
Consider how the information needs to laid out. If it's structured, it will be
easier to understand.
The layout of the output depends on its output device, which includes:
o Displayed on a screen
o Printed as a hard copy on paper
o Output as sound
o Output as transmitted information.
Sequencing the output
o Output items need to be structured.…read more

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Total p
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Page 10

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E
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Comments

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