File structures and organisation
File organisation: File organisation refers to the logical relationships among various records that constitute the file, particularly with respect to the means of identification and access to any specific record.…
Introduction to files and database design
File: File is a collection of records which are logically related to any object. Record value can be in any form like data. For eg. : Each student records having…
Forms Design
During form designing, the designers should know − who will use them where would they be delivered the purpose of the form or report During form design, automated design tools…
Types of outputs
1.External Outputs Manufacturers create and design external outputs for printers. External outputs enable the system to leave the trigger actions on the part of their recipients or confirm actions to…
4.1 Input/ Output and Form Design
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 devices such as…
Flow charts
What is a Flowchart? Flowchart is a graphical representation of an algorithm. Programmers often use it as a program-planning tool to solve a problem. It makes use of symbols which…
Gantt charts
Gantt chart is a type of a bar chart that is used for illustrating project schedules. Gantt charts can be used in any projects that involve effort, resources, milestones and…
IPO charts
A problem can be broken down into 4 components: 1. Input - any data that is needed to solve the problem 2. Processing - the task that will be carried…
IPO charts
A problem can be broken down into 4 components: 1. Input - any data that is needed to solve the problem 2. Processing - the task that will be carried…
Data Dictionary
A data dictionary is a structured repository of data elements in the system. It stores the descriptions of all DFD data elements, that is, details and definitions of data flows,…