4196096
Description
Flashcards by Adam Meredith, updated more than 1 year ago
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Created by Adam Meredith
almost 9 years ago
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| Question | Answer |
| ASCII | An analogue signal is one which has a value that varies smoothly. |
| Bitmap | Consists of a grid of squares called pixels. Each pixel can be uniquely identified by its position in the grid (x/y coordinates) and each pixel is a single colour. |
| Colour Depth | This is number of bits used to store each pixel’s colour is in an image. The greater it is, the more colours can be represented. |
| Analogue Data | An analogue signal is one which has a value that varies smoothly. |
| Sampling Rate | The number of samples taken per second and is measured in hertz (Hz). |
| Bit Depth | This refers to the number of bits in each sample, combined with the sample rate it determines the quality of the sound. |
| Samples | Taken at evenly spaced time intervals and represented as numerical values when digitising sound. |
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