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69 Cards in this Set
- Front
- Back
What is data? |
Data is raw facts / figures. It has no meaning or context. |
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What is information? |
information is data with a meaning and a context. |
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What is knowledge? |
knowledge is new information derived from existing information by applying a set of rules. |
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What is encoding? |
encoding is simplifying information so that it can be entered into a computer. |
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What are advantages of encoding? |
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What are disadvantages of encoding? |
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Good information is : ? |
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How does good info add value to an org. |
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Cost of good quality info : |
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Advantage of using IT to process data |
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What is validation? |
Checking that data is reasonable when entered. |
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What are methods of validation? |
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What is verification? |
human process of checking the accuracy of the data. |
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What are methods of verification? |
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Adv of networked comps over standalone comps |
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Disadv of standalone comps over networked comps |
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What is an intranet? |
A restricted access network that works like the internet, however it is limited to a LAN or WAN. |
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What is an extranet? |
is an intranet which allows peeps from the outside to access the intranet with a password/username |
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Adv of email |
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Disadv of email |
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What is computer malpractice? |
behavior that is not illegal but is still inappropriate or wrong. |
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Computer crimes : ? |
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What is the "Copyright Design & Patents Act"? |
1988, it protects software / music producers by making unauthorized copying of software illegal (piracy) You must follow an EULA (End users license agreement) |
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What is the "data protection act"? |
1984 & 1998, protects personal data and ensures privacy by setting rules about what organisations can and cannot do with personal data (piracy) |
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What is the "Computer Misuse Act"? |
1990, hacking and creating viruses is illegal. |
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Health and Safety? |
Eye Strain Back Problems Repetitive Strain Injury (RSI) in the wrist Stress Extra Low Frequency (ELF) Radiation |
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Benefits of using spreadsheets : ? |
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What is a simulation model? |
A simulation model is a computer program which is used to predict the behavior of a real life system. Different values can be inputted to produce different results. |
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Car Crash Analysis - Adv |
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Car Crash Analysis - Disadv |
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Financial Forecasting. |
Break even analysis for businesses. National economy analysis for government models. |
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Adv of Financial forecasting |
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Disadv of Financial forecasting |
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Weather Forecasting adv |
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Weather Forecasting disadv |
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What is import / export within a database? |
Import - data from a piece of software into a database. Export - data from a database into a different piece of software. |
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What is a query? |
A query interrogates a database by selecting fields and records which meet specific criteria. |
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What is a report? |
Reports are used to output info from a database. Reports present the info that can be easily controlled by the user e.g. table, graph or chart. |
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Adv of relational databases over flat (single) files : ? |
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Disadv of relational databases over flat (single) files : ? |
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Human Computer Interface(s) (HCI) |
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Features of CAD |
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Adv of CAD / CAM |
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Disadv of CAD / CAM |
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What is EPOS, EFT and EFTPOS |
EPOS (Electronic Point of Sale) EFT (Electronic Funds Transfer) EFTPOS (Electronic Funds Transfer at Point of Sale) |
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Advantages |
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What info do barcode labels give? |
Manufacturer code Country of origin A check digit (but not the price) |
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7 Steps of an Automatic Stock Control |
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Adv of automatic stock control |
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Online shopping adv to customer |
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Online shopping adv to the business |
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Disadv of online shopping |
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Adv of computer aided learning |
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Disadv of computer aided learning |
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Registration methods |
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Adv on digital register systems |
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Disadv on digital register systems |
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Health sensors (input) |
(Disadv is that they need calibration to check accuracy) |
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Health sensors outputs |
Numerical displays, graphs on paper or on monitors, aural warnings (BEEPS!) |
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Scanning devices |
MRI (Magnetic resonance image) CAT / CT scan (Computed Axial Tomography) |
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Adv of scanning devices |
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disadv of scanning devices |
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What is an expert system? |
A knowledge-based system which attempts to replace a human in an "expert" in a particular field |
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What does an expert system consist of? |
A large database of knowledge, a human - computer interface, a set of rules for making deductions from the data (inference engine) |
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What is a style sheet? |
A set of formats that can be applied instantly to selected text. |
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What is a mail merge? |
Using fields from a database and inserting them into a standard document to produce multiple personalized copies automatically. |
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What is a template? |
Pre-designed document in a word processing and DTP that can be used to produce new pieces of work. |
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What is a macro? |
Small program that can be created and run from a keyboard shortcut, menu or a button. |
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Thank f*ck for that, finally finished. I have left some things off but hey ho. The exam is tomorrow... |
Good Luck!!! |