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Assignment No. 3 CS-507, VUsolutions

Monday, May 11, 2009 Posted In Edit This

Assignment Topic:

 The topic of the assignment is System Design

Objective:

The objective of this assignment is to enforce students to evaluate and research System Design

 CS-507 Assignment # 3, No. 3:      

Discuss System Design to share your views for the following points: 5 marks for each point

1. Introduction

2. Components of System Design.

3. Purpose of Designing file or database

4. Designing User Interface.

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PLEASE SEE THE FOLLOWING MATERIAL FOR YOUR KIND HINTS, JUST GET THE IDEA & PREPARE URSELF. BEST OF LUCK.. VUsolutions.

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Spring 2009, CS-507 Assignment No. 3

Discuss System Design to share your views for the following points: 5 marks for each point

1. Introduction

The purpose of elaborating the concept of decision making in the context of IS was to make you realize the importance of the fact that, Information system must support the managers for timely and effective decision making. While designing the information system, output, in terms of suitable reports is essential to analyze, highlight and bring to attention situations that may require decision making. The top manager looks for value addition to his/her knowledge of business operation.


2. Components of System Design.

The major components of system design are:

1. • Designing usable and complete input
2. • Designing well defined and usable output with flexibility to redefine presentation of outputs in any form.
3. • Designing file or database
4. • Designing user interface (input screen as it would be seen by the user)


3. Purpose of Designing file or database

System design is to deliver the requirements as specified in the feasibility report. The main objectives of the design are
1.Practicality
2.Efficiency
3.Cost
4.Flexibility
5.Security

System design contains Logical Design & Physical Designing; logical designing describes the structure & characteristics or features, like output, input, files, database & procedures. The physical design, which follows the logical design, actual software & a working system there will be constraints like Hardware, Software, Cost, Time & Interfaces.

The processing techniques are
> Batch Processing
> Real-time
> Online
> Combination of all

4. Designing User Interface.

Designing user interface
The design of what the user sees on the screen, that is, the interface, while entering data should be such that the user is familiar with. The information should be entered in a logical sequence e.g., if a user wants to add an employee to the employee’s master file, the information may be entered in the following sequence:

• Employee ID, which can either be
• Generated automatically by the system, or
• Entered manually by the user
• Name
• Address
• Contact information
• Next of kin
• Grade
• Designation
• Salary Details

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