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CHAPTER 4 SYSTEM DESIGNDFC40163 System Analysis & Design, (Page…
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Every page should include a page header, which appears at the top of the page and includes the column headings that identify the data.
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Either a page header or a page footer, which appears at the bottom of the page, is used to display the report title and the page number
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The report header, which appears at the beginning of the report, identifies the report, and contains the report title, date, and other necessary information.
The report footer, which appears at the end of the report, can include grand totals for numeric fields and other end-of-report information.
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A crowded report is hard to read, and large gaps between columns make it difficult for the eye to follow a line.
Columns should stretch across the report, with uniform spacing and suitable margins at top, bottom, right, and left.
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Often, it is meaningful to arrange detail lines in groups, based on a control field.
For example, using the department number as a control field, individual employees can be grouped by department.
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Look and feel are important to users, so reports should be uniform and consistent.
A system produces multiple reports, each report should share common design elements.
For example, the date and page numbers should print in the same place on each report page
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In Example 1, the left-justified column headings do not work well with numeric fields because the amount 1.25 would print past the right edge of the AMOUNT heading.
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For example, the report shown in Figure shows the detail lines printed in alphabetical order within store number, so the store number is in the left column, followed by the employee name
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Report design is an art, not a science.
User involvement is essential, but users often don’t know what they want without seeing samples.
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4.2.1 Input Design & Technology Issues
-quality of the output = quality of the input
-garbage in, garbage out (GIGO)
the best time to avoid problems is when the data is entered
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