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Description
Flashcards by becky_southway, updated more than 1 year ago
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Created by becky_southway
over 8 years ago
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| Question | Answer |
| 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 | A standard binary coding system that has superseded ASCII.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. |
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