Term
| Order the information processing cycle |
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Definition
1) Acquisition
2)Input
3)Validation
4) Manipulation
5) Storage
6) Retrieval
7) Output
8) Communication
9) Disposal |
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Term
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Definition
| Acquisition is the collection of raw data to be processed. |
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Term
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Definition
| The collected data is input into the computer so it can be processed. |
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Term
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Definition
| This step ensures accurate input of data. |
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Term
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Definition
| Data is processed to produce information during this step using software such as Microsoft Word or a graphics program. |
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Term
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Definition
| Once processed or while waiting to be processed, the data and information can be stored in a secondary storage medium such as a flash drive, hard drive or CD. |
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Term
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Definition
| This step involves retrieving the data or information currently in storage so it can be further processed or output. |
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Term
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Definition
| This step involves displaying, printing or broadcasting the processed information using various output devices. |
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Term
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Definition
| This step ensures that the output reaches the appropriate user. |
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Term
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Definition
| This step removes data no longer required now or in the future. |
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Term
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Definition
| Result in incorrect results that may or may be noticeable. From a computer device. |
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Term
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Definition
| Result of the data entry operator entering the data incorrectly. |
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Term
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Definition
| Term given to internal memory, which will temporarily store data while they are in use. |
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Term
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Definition
| Read-only memory and mean other info cannot be stored there. |
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Term
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Definition
| Random Access memory is used whilst processing is in progress. |
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Term
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Definition
| Permanent storage of data or info, doesn't need a power supply and uses magnetic and optical systems to store data. Portable is some cases. |
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Term
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Definition
| When data is retrieved one by one at a time, like a cassette tape. |
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Term
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Definition
| Can skip to a specific area of data. Opposite of sequential |
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Term
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Definition
| An actual computer relies on another computer to do most of the work. |
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Term
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Definition
| One main powerful computer is the hub to less powerful computers. It is the server and the other computers are the clients. |
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Term
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Definition
| One cable that branches of to peripheral devices or computers. Also known as LAN. |
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Term
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Definition
| Also a bus network. Known as Local Area Network. |
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Term
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Definition
| Peripheral devices and computers are connected directly to a server / hub. |
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Term
| Computerised information system |
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Definition
Consists of
- Computer hardware
- Computer Software
- People
- Procedures
- Data |
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Term
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Definition
| Technology that is inputted into a computer like a mouse, keyboard, barcode reader etc. |
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Term
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Definition
1 kilobyte is about 1000 bytes
1 megabyte is about 1000 kilobytes
1 gigabyte is about 1000 megabytes
1 terabyte is about 1000 gigabytes |
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Term
| Central Processing Device / Unit |
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Definition
| CPU is the central to the workings of a computer and controls the movement of data between devices. Consists or the arithmetic/logic unit and the control unit. |
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Definition
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Term
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Definition
| Directs the overall operation of a computer. |
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Definition
| Where information can be output like using a printer to make a hard-copy. |
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