System Analysis and Design
On-line data entry is most suitable in the case of

None of these
entering monthly journal entries
All of these
Processing payment of cheque in a bank
updating payroll master

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System Analysis and Design
Sequential organization

None of these
has records placed randomly throughout the file
means storing records in contiguous blocks according to a key.
Stores records sequentially but uses an index to locate records
uses an index for each key type

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