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9 Cards in this Set
- Front
- Back
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Types of Information (3) |
Conventional: Raw info saved onto basic media Coded: Using any code to represent it Digital: Use numerals to represent data/numbers |
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Information quality (7) |
Timely Accurate Complete Well based Related Kept secret Easy to verify |
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Converting data to information |
Data>Processing>Information |
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Computer processor can only process data represented in _____ |
0 or 1 (binary) |
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Coding systems used to represent data (4) |
- American Standard Code Information Interchange (ASCII) - Extended Binary Coded Decimal Interchange Code (EBCDIC) - One byte (256 codes) - Unicode often used for other languages uses 2 bytes |
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What is a Byte? (2) |
Eight bits group together form a byte 0's and 1's represent individual characters |
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Digitizing Picture (6)
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- Each cell is called a pixel that stands for picture element/cell - Number of pixels = resolution - Each cell has coordinates - Under each cell is a color - Digital palette = Red, Green, & Blue - 3 bytes to store one color spot
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Resolution (2) |
Columns x Rows Higher resolution = Higher quality & Bigger file
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Sound waves generated by: (4) |
-Change in air pressure -Magnetic vibration -Direct pressure variation -Waves are digitized |
