IT Topic 4 and 5

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Repetitive Processing
Carrying out the same task to the same standard repeatedly, for example processing the payroll run on a computer for a large organisation.
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Accurate Calculations
Calculations are carried out accurately, for example in a payroll spreadsheet if the formula and the data is correct then the calculations will be correct.
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Ability to produce different outputs
Information can be produced in tabular or graphical format, for example a scientists producing a report will include data in a table and to make some of it easier to understand will produce a graph using that data.
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Software
Does that software put a big demand on the system?
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Communication
Do the different devices talk properly to each other?
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Maintenance Procedures
Is there someone whose job is to ensure that the data and software is kept up to date?
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Zoom
Zoom allows the architect to see the design in fine detail.
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Stress/strain
Allows the architect to see if there are any load bearing problems with the design before it is built.
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Hatching/Rendering
Allows the architect to see if there are any load bearing problems with the design before it is built.
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Wiredrawing
Outline design requires less processing to display
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CAD Advantage
Can be more accurate then hard drawn designs and it reduces human error
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CAM advantage
Cheaper manufacturing costs.
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Disadvantage of CAD
the software can be expensive so initial costs are high.
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EFT
Moving money (electronically) from one account to another e.g. from a customer account to pay for goods purchased.
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Barcode
A series of light and dark bars of differing widths. It is more accurate as it eliminates typing errors but corrupted barcodes can cause delays.
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Just in Time stock control
1) Code matched on stock database. 2) One deducted from stock database (quantity level). 3) This number is checked against the re-order level. 4) If below this level then an automatic computer generated request is sent to the supplier.
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Loyalty card
A loyalty card identifies the card holder as a member in a loyalty program.
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Other cards in this set

Card 2

Front

Accurate Calculations

Back

Calculations are carried out accurately, for example in a payroll spreadsheet if the formula and the data is correct then the calculations will be correct.

Card 3

Front

Ability to produce different outputs

Back

Preview of the front of card 3

Card 4

Front

Software

Back

Preview of the front of card 4

Card 5

Front

Communication

Back

Preview of the front of card 5
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