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Analyse appropriate hardware and software needed.

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Analyse Hardware The user does have all the hardware stated below. * CPU -(Central Control Panel) This is used for the computer to actually run all the folders and files are stored on this. It holds all the Video shops contents. The software is stored in the CPU. * Mouse - This is used in order to control each thing you want to open and close. The mouse navigates all your movements. * Monitor - The monitor is used so that you can see the screen, and make changes to any mistake. * Keyboard - The keyboard is used to write out the records of all the people that are customers of the Video library. Without the keyboard no records can be recorded. * Printer - A printer is used in order to print out any records, they can be saved on the computer but if any files are missing or have been deleted. Then the printed copies will be their back-up copies. Software The software that I will be using for my BMI will be Microsoft Excel. ...read more.


This page is used to calculate the persons actual BMI. Data validation- This will be created to help the user so no mistakes are made. Output of the system Data will be displayed on a computer monitor and should be viewable. These could be viewed by the employees. Data will be printed of using a printer. Important information could be printed off. The reason why I chose a printer as the best from of output is because it is the most beneficial and simple to use. Alternative output methods are: E-mail- advantages of e-mail * Simple to send. * Fast * Logos can be sent with the letter. * Attachments can be made. * It's cheap. * Can be sent to someone anywhere. * Many people have an E-mail address. Fax * Can be sent to an E-mail address. * Many can be made. * Can be sent to anyone anywhere. * Professional Data flow diagram The user enters the customer's details on the member's page. The employee then need to work out the BMI of the customer they are dealing with. ...read more.


Security of system Security is very important, if any files are misplaced or lost it will be very long to find and all the details will have to be reinstalled into the system. This will be very time consuming. The running of the business will become corrupted. There will be a need for securing the system and there are a couple of ways to secure the system: * Using passwords to avoid anyone except from the people who work there to have access. * Using Anti-virus will stop computers clashing, virus from getting in and slowing the system down. * Using back-ups will be a safe thing to do if you are worried of losing confidential, important information. * Using locked cells. * CCTV * Lock on the door Data manipulation The customer's details would need to be entered into the spreadsheet. Formulae will then be entered calculating their BMI. 1. Customers details will be entered into the members page 2. Height and weight of the customer will then be entered into the calculator page 3. The BMI will then appear having calculated the weight * Height The BMI will then be entered into the categories page telling the customer what eight type they are e.g. Un ...read more.

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