Input and output design in system analysis and design pdf
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- IT IN DAIRY INDUSTRTY
- IT IN DAIRY INDUSTRTY
- SYSTEMS DESIGN User Interface Design Output Design Input Design Menu Design
IT IN DAIRY INDUSTRTY
An external document is one that is received by a person or organization outside the firm and an internal document is sent to individuals within the firm, typically managers. For example, listing of all sales transactions for a month. Examples are weekly sales report by category, student enrollment per semester according to discipline. For example, the list of customers with payments more than 60 days, and the list of inventory below minimum order level.
The response to queries is typically displayed on the screens. The flow of a transaction typically causes the creation of several outputs. A customer order requires a file or database transaction, which in turn requires an invoice to be sent to he customer for payment.
In some cases, a multi-ply statement is required. They are classified as impact or nonimpact, depending on the impact nature of the cartridge. An impact printer is required to print a multi-ply report.
A line printer strikes all the characters of a line at a time, whereas a serial printer prints one character at a time. Thus line printers are faster than serial printers. A data-entry screen can also be used as a data display screen. The updates to a record can be displayed immediately on a screen. These are: usage, volume, quality, cost, frequency, requirement for multiple copies, and distribution.
By understanding the usage of a report, an analyst can better design a report. Query output for small amounts of information are often handled by on-line processing. A customer list, an inventory list, payroll checks, quarterly reports, are processed in batches.
Step 5: Design the Report Format The data contents for an output report is already described in the data dictionary. Design of a report means how data will be physically printed on a paper or displayed on a screen. In this section, design issues of various report types such as plain paper report, preprinted report, screen report, and graphical report are discussed.
It mimics a printer paper 80 or characters per line , so that exact position of the fields of the actual report can be marked on the chart. See below. A crowded report is hard to read. Shop numbers and employee names within a shop number are ordered in the figure below. For example, having a heading for all shops and a footing for each shop group in the example below. The data must be printed according to the format of the form.
Then the variable information is placed like a plain paper report. On character-based screens, the top or the bottom screen lines usually are reserved for such instructions. It consists of 80 columns and 24 lines, matching the 80x24 line limits of most character-based screens. Thus screens can be designed with various fonts and typefaces bold, italic, underline for ease of reading.
Design of this type of screen is typically done on a computer using a graphical program such as Access or Visual Basic. Again, command buttons are used to link to other screens and to perform other user functions. The screen is then cut and pasted on a document to include in the design specification. Some formats are shown below.
Graphs may include bar chart, line graph, pie charts, maps, or any other picture. Graphical screens should be designed to display clearly the positions of labels, data, graph, command buttons, and so on. Report designs are attached with the form. Designing character-Based screens This is same as the output design using a printer-spacing chart.
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IT IN DAIRY INDUSTRTY
To deliver the right information to the right people in the right format at the right time. To develop user-friendly interface and process for getting quality data into the information system in a timely and accurate fashion. To define the manner method and sequence in which humans and computers exchange information. To represent data in an organization used by a database management system. Usage factors in making output technology decisions. Input design.
Systems design is the process of defining the architecture , modules, interfaces, and data for a system to satisfy specified requirements. Systems design could be seen as the application of systems theory to product development. There is some overlap with the disciplines of systems analysis , systems architecture and systems engineering. If the broader topic of product development "blends the perspective of marketing, design, and manufacturing into a single approach to product development,"  then design is the act of taking the marketing information and creating the design of the product to be manufactured. Systems design is therefore the process of defining and developing systems to satisfy specified requirements of the user.
Input Design. In an information system, input is the raw data that is processed to produce output. During the input design, the developers must consider the input.
SYSTEMS DESIGN User Interface Design Output Design Input Design Menu Design
In an information system, input is the raw data that is processed to produce output. Therefore, the quality of system input determines the quality of system output. It should serve specific purpose effectively such as storing, recording, and retrieving the information. It is important to design appropriate data input methods to prevent errors while entering data. These methods depend on whether the data is entered by customers in forms manually and later entered by data entry operators, or data is directly entered by users on the PCs.
If a product that is in the market has issues, odds are the issue can be traced back to the design inputs defined during product development.