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Definition
| A devise that takes a signal from a computer and converts it into motion (movement) or controlled movement,for example, switching a heater on or off, controlling a motor. |
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Term
| ADC (Analogue to Digital Converter) |
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Definition
| A device that converts analogue signals, like that produced by a sensor, to a digital signal,which a computer can process. |
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Definition
| Formatting text lines or paragraphs horizontally so that the text is placed to either the left or the right margins, or centered. |
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| A data type where the data can be any keyboard character is acceptable - this data type is often referred to as text. |
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Definition
| An ICT professional who is responsible for carrying out the systems analysis. |
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Definition
| Application software that scans files for the presence of, and will remove or isolate, computer viruses. |
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Definition
| Software that will carry out specific tasks on a computer such as word processing or using a database. |
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Definition
| Short for 'Applications'. A term used to describe mini-programs designed to run on a computer or mobile device. Apps may be linked to the internet to provide constantly updated weather,sport and entertainment features. |
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Definition
| In order of small to large |
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| The proportion of width to height of an image. An important aspect of re-sizing an image so that the original proportion is maintained. |
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Term
| ATM (Automated Teller Machine) |
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Definition
| Remotely connected to a banks computer system, it can dispense cash and provide account information. |
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Definition
| Providing additional information about a HTML element. |
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Definition
| A way of combining live video with computer-generated data and visualisations, for example, layering real time information over your camera display so that if you point your view finder down a street you could find out information on all kinds of things, from restaurants, to historical/tourist information |
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Definition
| Devices that allow large amounts of data to be stored outside the main memory, e.g. CD, DVD, memory stick |
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Definition
| A row of vertical stripes of different thicknesses, often with numbers, that can be read by a computer. Used to identify products. |
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