THE KEYWORDS HOMEWORK much fun

Question	Answer
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.
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.
Sample	Taken at evenly spaced time intervals and represented as numerical values when digitizing sound.

Resource summary

	Created by Leanne Hey over 8 years ago