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computer study voc 2
computer study voc
| data | |
|---|---|
| Data | values representing information that can be stored and edited by a computer |
| Binary system | a method of describing number, counting, and doing math based on the number 2. Binary system use the symbols 0 and 1 |
| Analog data | Data that needs to be first translated into a digital form before it can be used by a computer. For example, paper copies of a worksheet need to be typed into a word processor software; or human speech needs to be recorded via audio software. |
| Digital data | Data that can be directly used by a computer; this means that data needs to be encoded and stored as a sequence of 0s and 1s (i.e., bits) |
| Encode | To translate human-readable data into a form that is efficient or protected for transmitting or storing. |
| Decode | To translate encoded data back into a human-readable form so it is easier to read and understand |
| Decimal system | A method of describing numbers, counting, and doing math based on the number 10. Decimal systems typically use ten different symbols: 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9. |
| Bit | The smallest unit of information used in computers, a unit of information that can be either 1 or 0 like an on/off switch, (combination of the words binary and digit) |
| Byte | A group of 8 bits, ranging from 00000000 to 11111111. There are 256 possible combinations of 8 bits (do you see why?) |
Created by:
michaelchavis
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