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Data Representation Key Words
Fichas del conjunto (7)
- 1What is "ASCII"?The American Standard Code for Information Interchange is used to represent each character, number and symbol. It has space for 128 symbols, this is enough for standard English.
- 2What is a "bitmap"?A 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.
- 3What is meant by the term "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.
- 4Define "analogue data".An analogue signal is one which has a value that varies smoothly.
- 5Define "Sampling Rate"The number of samples taken per second and is measured in hertz (Hz).
- 6Define "Bit Depth"This refers to the number of bits in each sample, combined with the sample rate it determines the quality of the sound.
- 7What is a "Sample"?Taken at evenly spaced time intervals and represented as numerical values when digitising sound.
Información
- Descripción
- A set of Flash Cards containing the definitions of key words in the Data Representation topic.
- Creado por
- Joel Smith
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