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AS and A Level: Information Systems and Communication
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They will use EPOS which stands for electronic point of sale; it is an automated till system used in many shops and restaurants. Tesco will use tills to monitor how many products are sold and if they need restock or reorder more items. When monitoring and controlling its activities Tesco can make immediate use of information from its operational support systems. When a customer purchases an item the EPOS system will track this and the data will be stored and keeps track of how much stock should now be in their store.
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Describe the features and functions of information systems and explain how an organisation could improve the quality of its business information
Processing - Processing is the method that turns data into information. There is simple and complex processing. Simple processing is adding all the items sold by a supermarket and producing totals. Complex processing is a computer program that does complex calculations and makes assumptions about missing data. Output ? outputs can be in two formats, graphical and textual. A graphical output is used for seeing the bigger picture, usually presented as charts, diagrams or pictures. Textual is used when data needs to be analysed in detail; it?s often presented in text and numbers.
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A bank must back up files every week in case of a disaster. This is because millions of people around the world will rely on the bank for the access of their money. The backup file should be away from the original system so if there is a disaster both do not get destroyed. Health and safety There are health and safety issues regarding information systems. The screens, monitors and the way they are positioned all have strict regulations. Keyboards, mice, chairs and the desk must be positioned in a suitable and comfortable position for employees.
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Evaluate the performance of a computer system and explain and justify improvements that could be made to a computer system.
Furthermore, I changed the motion of the pointer to be slow to medium. This is because again it will allow the user to navigate more easily as it won?t be moving too fast that they cannot keep up. Keyboard I chose to allow the on screen keyboard this was done in to ease of access. This is going to make typing easier for the user as they can change the size of the virtual keyboard. The user may want to have an extremely large keyboard and therefore this gives them the option.
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Data Management Data management allows you to keep track of all the data stored on the computer or other storage devices. The application programs deals with the data by file name and location. The operating system?s file system knows where the data is stored and interacts with the application program. When data needs to be retrieved or saved, the application system cooperates with the operating system which opens, reads, writes and closes files. User interface Interface is commands which a user sets when communicating with the computer.
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Processor The processor more known as the CPU (Central Processing Unit) is a small chip; it is the main intelligence of the computer and controls everything that happens within the computer. The processor receives an output and input, and the processors job is to provide the correct output so that tasks can be completed by the user. The CPU gets instructions from the RAM (which is the input), reads and processes it and then sends back the data so that the relevant components can carry out the instructions. The speed of the CPU (central processing unit)
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(e.g. improved confidence, actually being able to apply the skill) Target Date Review dates and final target date for meeting needs Progress Review / Key Learning Points Consider the best methods to suit your preferred learning style Log all progress. Comment on key points To develop my Excel knowledge on formulas and other skills within the program such as pivot tables. I need to work on this area because when completing spreadsheets in the past, it has been difficult because I am not aware of all the formulas and skills to make it easy to create a database.
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Therefore, due to these issues it became more difficult to communicate effectively. Background Noise Background noise in the workplace became a large barrier of effective communication at BP. We had meetings in the break area which meant that people were talking all around us. Although the meetings were informal it was still difficult to communicate to each other. Loud background noise can cause people to not be heard and would then have to shout to be able for them to hear which an unprofessional way to communicate in the workplace is.
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When answering questions even when not sure about the answer it?s important to speak confidently as if you know exactly what to say, if you do it will seem that you know extensive knowledge about the subject. During my internship I had to do presentations and after questions were asked. I made sure I was comfortable with the topic I chose so that when I was asked questions Engaging the audience It?s important to keep your audience interested throughout a presentation.
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This allowed me to complete more work in the time frame I was given which was very useful to my team. Independence Independence is also a very important soft skill to have in the workplace. Employees will be expected to complete tasks on their own without any help from others. Employees need to think for themselves and not rely on other people to tell them what they have to do next. At BP I showed independence by making meetings with people I needed specific information rather than waiting for someone to come to me.
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