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Design is the process of developing specification for a candidate system that meet the criteria established in system analysis.

1.INPUT DESIGN

It is the process of converting user oriented inputs to a computer based format.

CLASSIFICATION OF INPUT DESIGN

A)Input data

The goal of designing input data is to make data entry as easy, logical, and free from errors as possible.

•Contd

In entering date, operators need to know the following:

1.The allocated space for each field.

2.Field sequence , which must match that in the source document.

3.The format in which data field are entered :

For example, filing out the data field is required through the edited format mm/dd/yy.

Source documentA source document should be logical and easy to understand. Each area in the form should be clearly identified.

For example a field as simple as date of birth may be written in four different ways:

1.19 September 1935

2.Sept. 19,1935

3.9/19/35

4.19/9/35

Source data are input into the system in a variety of ways:

•Punch cards•Key-to-diskette•MICR•Mark-sensing readers•Optical character recognition•Optical bar code readers

1.Computer output is the most important and direct source of information to the user.

2.Efficient ,intelligible output design should improve the system ‘s relationship with the user and help in decision making.

The following media devices for computer output:

1.Micr readers

2.Line ,matrix and daisy wheel printers

3.Computer output microfilm(COM)

4.CRT screen display

The standards for printed output suggest the following

• Give each output a specific name or title

• Provide a sample of the output layout, including areas where printing may appear and the location of each field.

• State whether each output field is to include significant zero ,spaces between fields, and alphabetic or an other data

• Specify the procedure for proving the accuracy of output data

WHAT IS A FORM?

Form is a business document that contain some predefined data and may include some area where additional data is to be filled.

It is a tool that carries data and information.

1. Flat formA flat form is single copy form prepared manually or by machine and printed on any grade of paper.

It is the easiest form of design , print, and reproduce

It has the low volume used , and

It is least expensive

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2. Snap out forms

These forms have an original copy and several copies with one-time carbon paper interleaved between them.

3. Fanfold forms

These are multiple –unit forms joined together in a continuous strip with perforation between each pair of forms.

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The process of designing forms includes:•User-focused activity•Follows a prototyping approach•Requirements determination


A business document that contains only predefined data. In this we can‘t include any additional information. This is a passive document for reading or viewing data. A report generally contains data from many database records or transactions unlike form which based on one database record.

Scheduled: produced at predefined time intervals for routine information needs Key-indicator: provides summary of critical information on regular basis Exception: highlights data outside of normal operating rangesDrill-down: provides details behind summary of key-indicator or exception reportsAd-hoc: responds to unplanned requests for non-routine information needs


Meaningful titles: It use clear, specific, version information, and current data

Meaningful information: It include only necessary information, with no need to modify

Balanced layout: It use adequate spacing, margins, and clear label.


Case: mixed upper and lower case, use conventional punctuation Spacing: double spacing if possible, otherwise blank lines between paragraphs Justification: left justify text, ragged right margins Hyphenation: no hyphenated words between lines Abbreviations: only when widely understood and significantly shorter than full text

RULES AND CAPTION

In designing form ,use rules(lines) to guide the human eye to read and write data groups.

It specifies what information to write in the space provided.

Rules can used to make boxes in which the user placed data.

Caption tells the user what information goes in the particular position.

BOX DESIGN

While designing a form its easy to form box style rule , with captions in the upper left corner.

Forming box design reduces the form size by 25 to 40 percent.

SPACING REQUIREMENTSpacing requirement basically tells the space should be provided according to the information the form asked.

BALLOT BOX AND CHECK-OFF DESIGN

Using ballot or check-off questions that can be answered or no can generally reduce the amount of required writing.

The user preference simply by checking off the desired box.

A well designed form with clearly stated caption should be self instructing.

A sample of the instruction as follows:

Date: fill in the current date

Name: print the legal name in full

Description: give title of each part

Signature: your supervisor must sign here

Forms may be printed on paper of different colors, grades, and weight.

Paper weight is based on a ream of 500 sheets that are 17 by 22 inches

Three major factors to consider in paper selection:

1.The number of times the form will be handled .

2.The count of folding it will receive,

3.The extent of exposure to the environment.

It basically tells that how much cost should incurred while making a actual form or printed form.

The cost like:

•Ink

•Machine

•Labor

•Paper


Technology

New file and form 2