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Students' Guide to Business Computing
book

Students' Guide to Business Computing

by Norman Stang, Frank Blewett
May 2014
Beginner content levelBeginner
240 pages
10h 49m
English
Newnes
Content preview from Students' Guide to Business Computing
Students' Guide to Business Computing
Information processing
Our answer to the first question would be to have a large card, with
relatively fixed information (name, address, contact name, telephone
number) at the top, and a large number of lines below for information
about individual invoices. A possible design is shown in Figure 2.3.
Notice that the data on a record is precisely defined by the objectives
of the system: in this case, the objectives are simply to record details of
invoices, and to ensure that suppliers are paid after twenty-eight days.
The basic rule with updating is that everything on the record may
change at some stage; th ...
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Publisher Resources

ISBN: 9781483104263