Data Coding Systems

Pregunta	Respuesta
What does ASCII stand for?	American Standard Code for Information Interchange
What is ASCII	A standard binary coding system for characters and numbers.
What is a unicode?	A standard binary coding system that has superseded ASCII.
What is a Parity Bit?	A method of checking binary codes by counting the number of 1s and 0s in the code.
What is Majority Voting?	A method of checking for errors by producing the same data several times and checking it is the same each time.
What is a Check Digit?	A digit added to the end of binary data to check the data is accurate.
Bit-mapped graphic	An image made up of individual pixels.
Pixel.	An individual picture element.
Resolution?	width x height or pixels per inch.
Colour Depth?	the number of bits or bytes allocated to represent the colour of a pixel in a bit-mapped graphic.
Vector Graphic?	an image made up of objects and coordinates.
Compression?	the process of reducing the number of bits required to represent data.
Run-length encoding?	A method of compressing data by eliminating repeated data.
Dictionary-based encoding?	A method of compressing text files.

Resumen del Recurso

	Creado por becky_southway hace más de 9 años