2678114
Description
Flashcards by benjamincowell, updated more than 1 year ago
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Created by benjamincowell
over 10 years ago
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| Question | Answer |
| Data | A collection of alphanumeric characters without meaning |
| Information | Data+ Context+ Structure+ Meaning |
| Context | Taking the data and giving it an environment where our prior knowledge and understanding can make sense of it |
| Structure | The presentation of data, including any formatting |
| Meaning | An understanding of what the data relates to |
| Text | Alphanumeric characters put together to deliver a message |
| Graphic | Picture, image or drawing |
| Sound | A range of frequencies which can be used to transmit information |
| Video | The technology of electronically capturing, recording, processing, storing, transmitting and reconstructing a sequence of still images representing scenes in motion |
| LED | A single point of light; LEDs can be grouped together to form multiple points |
| Knowledge | Application of information (to a given context) resulting in understanding |
| Application | using information within a given context |
| Data type | Defines the type of information that can be stored. For example, dates, numbers or characters |
| Static data | Data that stay the same after a refresh |
| Dynamic data | Data that can (but does not have to) change after a refresh |
| Direct | No one or thing comes between the source of the data and yourself when collecting the data |
| Indirect | Something come between yourself and the data collection. It might be bought, another person collects it or it is collected for a different purpose |
| Quality of information | How useful that information is in the target area for which it has been produced. How easy it is to turn it into the required knowledge |
| Encoding | Transforming the data from one format into another. Can include shortening, symbol replacement or abbreviations |
| Range | Difference between upper and lower value |
| Type | Data type must match |
| Presence | Data must be entered |
| Length | Maximum and minimum characters entered |
| Picture | Follow predefined rules for each data type at each position |
| Check digit | Mathematically calculated check |
| External media | Media that can be removed. For example, USB memory stick, external hard disk drive and internet back up |
| Hardware | A physical device, something that can be touched and seen |
| Software | Programs and code - cannot be physically seen or touched; only the results of running the software can be seen |
| Consumables | Paper, ink, toner, electricity |
| Personnel | hiring, training and time |
| Input | Getting data external to the system into the system |
| Processing | Performing an action on the data. For example, edit, sort, save etc |
| Output | Getting data that is in the system out of the system |
| Storage | Saving data for later use |
| Feedback | Taking the output and making it into the next cycle of input |
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