Design of screens and graphics.

By -

Design of screens and graphics

DESIGN OF SCREENS

Screen display must be convenient for interactive use. Screen size is usually 80 cols per line and 24 lines per screen. Provision must be made at bottom of screen to continue, get details or exit.Nowadays screens are designed with buttons which can be clicked using a mouse to get details, continue or exit from screen

EXAMPLES OF SCREENS

SCREEN FOR GENERAL STUDENT INFORMATION

image

Shows information in pictorial form which is easy to understand Usual pictures are

•bar charts - relative distribution easy to see

•pie charts - %use of resources easy to see

•x-y graphs - trends easy to see

•maps - geographical distribution easy to see

USE OF GRAPH

image

BAR CHART

image

References

1. Most of the material is taken from Chapter 14 of the text book “Analysis and Design of Information Systems” by V.Rajaraman, 2nd Edition, Prentice Hall of India, New Delhi.

2. There is a good coverage of this type in Kendall and Kendall “System Analysis and Design”, Pearson Education Asia, 2003, Chapter 15, pp.478-496.

3. J.A.Hoffer, J.F.George, J.S.Valachich, “Modern Systems Analysis and Design”, 3rd Edition, Pearson Education Asia, New Delhi, 2002, discusses forms and reports design in Chapter 13, pp.432 to 450. Designing dialogues and graphical user interfaces is discussed in Chapter 14, pp. 460 to 490. Companion web site is prenticehall.com/hoffer for multiple choice questions etc.

Comments

Post a Comment

Popular posts from this blog

WORKED EXAMPLES ON PROCESS SPECIFICATION.

By -
Image
PROCESS SPECIFICATION WORKED EXAMPLES 6.1 A bank has the following policy on deposits: On deposits of Rs. 5000 and above and for three years or above the interest is 12%. On the same deposit for a period less than 3 years it is 10%. On deposits below Rs. 5000 the interest is 8% regardless of the period of deposit. Write the above process using (i) Structured English (ii) A decision table 6.2 An organization maintains an employee file in which each record has following data: { Employee No., employee name, employee gross pay}. It has been decided to increase the pay as per the following formula: For pay of Rs. 1000 or less increase 15%. For pay of more than Rs. 1000 but up to Rs. 2500 increase 10%. For pay over Rs. 2500 increase 5%. (i) Writ e a structured English processing rule corresponding to the above policies. (ii) Express the policies as a decision table. (i) While employee records left in file do Read Number, name , gross pay 6.3 An offshore gas company bills it
Read more

Why do we need information systems, management structure, requirements of information at different levels of management.

By -
Image
Why do we need information systems, management structure, requirements of information at different levels of management NEED FOR INFORMATION SYSTEMS Information systems are needed when timely processing for fast action is needed, same data has to be processed in different ways and when organizations require innovative processing. MANAGEMENT STRUCTURE Functional areas of management are as follows: •PRODUCTION • MARKETING • MATERIALS – purchase, stores • FINANCE –Accounts • HUMAN RESOURCE DEVELOPMENT(HRD) • RESEARCH AND DEVELOPMENT (R&D) INFORMATION FOR MANAGEMENT A Production Management The following type of information is needed in production management: Strategic Information: 1)Yearly and monthly production quotas and alternate schedules 2)Policies on machine replacement, augmentation and modernization. 3)Identifying best product mix. Tactical Information 1)Identifying and controlling areas of high cost. 2) Identifying critical bottlenecks in production. 3)
Read more

The User Interface:Establishing User Interfaces

By -
Image
The User Interface Establishing User Interfaces The success factors in analysis start with the established interfaces from day one. What does this mean? You must start the process by meeting with the right people in the organization. In the best projects, the process is as follows: 1. Executive interface: There needs to be an executive-level supporter of the project. Without such a supporter, you risk not being able to keep the project on schedule. Most important, you need a supporter for the political issues that you may need to handle during the project (discussed in detail later). The executive supporter, sometimes known as a sponsor (JAD reference), should provide a preliminary schedule advising the organization of what is expected and the objectives of the project. The executive supporter should attach a letter to the preliminary schedule and send it to the project team members. The letter must put the importance of the project into perspective. Therefore, it is strongly rec
Read more