Term
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Definition
| Master files, Transaction files, History or archive files, and Reference files |
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Term
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Definition
| contain the balance or status of entities |
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Term
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Definition
contain activity data
e.g. orders, sales, payments |
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Term
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Definition
| Contain inactive past or historical data |
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Term
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Definition
contain information needed for reference purposes
e.g. rates, zip codes, chart of accounts |
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Term
| Sequential Storage and Access |
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Definition
records are stored in order
tape cartridges and reel tapes |
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Term
| Randome Storage and Dircet Access |
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Definition
records are stored in any order,
computer hard disks, CD-roms etc |
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Term
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Definition
| aka program files, or application files. usually have exe extension |
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Term
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Definition
| files or data that are awaiting some action to complete their processing |
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Term
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Definition
| when related DFDs are consistent in showing inputs and outflows |
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