For any data flow diagram first look at the existing processes. Student registration, class selection, professor/teacher class assignment, testing, grading and I am sure the list goes on. Once you have provided the beginning scope of the software by pruning the list of existing processes you can then develop a list of documents and communications that are used to transfer information and authority to others in the system. It is these documents and activities that are data flow items. The entities that are involved in sending or receiving these same communications are nodes in the system. Of course this is cursory and very general answer.
draw a neat diagram of computer
band diagram of p type semiconductor
Yes, use a ladder diagram.
To draw a kaleidoscope, draw an upright rectangle on the right hand side. Now, draw a triangle on the left hand side, that the diagram takes a shape like an arrow. Now draw a circle inside the extreme left corner of the triangle. Draw two more circles inside the first circle you drew. However; there are also several other ways to draw kaleidoscope, depending on its type.
An ER diagram for a college system is an entity relationship diagram that is used to identify the entities of the college system and what those entities expect from the system. Examples of entities to include are students, financial aid, registers, and professors.
how to draw e-r diagram for hospital management system plz show the figure?
how to draw the er diagram of library management system
component diagram for library managment system
answer
E.R diagram of hotel
DFD diagram of company payroll system.
data flow diagram for hotel management system
Contex level,0 level,first level DFDs for hospital management system
draw an entity relationship diagram for hospital
draw an er diagram on attendance management system
draw a diagram to show bank management system in ER model in database management system
with hand use program visual paradigm community edition (free) for uml. You can get in a few minutes beautifull uml pictures