Digital Media - Data Handling
About this set
Created by:
murrayg Plus on October 18, 2011
Subjects:
information and software technology
Description:
Year 9 Information and Software Technology
Redeemer Baptist School
Teacher: Murray Garth
Classes:
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21 terms
Terms | Definitions |
|---|---|
 Analogue | Data from the natural world having an infinite number of possible values. |
| ASCII (acronym) | American Standard Code for Information Interchange |
| Binary | A number system that uses just two values, '0' and '1'. |
| Bit | A single binary digit, the smallest unit of storage. |
| Byte | A group of 8 bits. Can store a value from 0 to 255. |
| ASCII (definition) | A standard method of storing keyboard characters and control keys as binary data values. |
| Bit (contraction) | Binary Digit. |
| RAM (Acronym) | Random Access Memory |
| Random Access Memory (definition) | It is used to store data and and software that your computer uses. When computer is turned off everything in it is deleted. |
| Information | Data organised or displayed to make it useful and meaningful |
| Data | Raw facts without any clear meaning.There are 5 main types of it. |
| Sorting | A process of arranging data in a set order, making it more meaningful. |
| Searching | The process of selecting data from a list that matches a given rule, making the data more useful. |
| Continuous | Data from the natural world is __________ and has an infinite number of values. |
| Digital | The representation of information as individual pieces of data using whole numbers, rather than as a continuous stream |
| Digitising | The process of converting from analogue data to digital data. |
| Data Sample | A single measurement of an analogue waveform expressed as a number. |
| Digital Camera | A device that converts analogue light into digital data and stores it for later reproduction |
| Sound Card | A computer output component that converts digital audio data into an analogue sound wave. |
| 45 | 101101 = 32 + 8 + 4 + 1 |
| 53 | 110101 = 32 + 16 + 4 + 1 |
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