In this Video, Prakshi Agarwal, Assistant Professor(IT), Biyani Group of Colleges explains the communication system.In this video definition of communication is stataed along with the block diagram in which various componenets of communication system has been explained such as information source, electrial transducer,transmitter,medium and a receiver.

This is a part of lecture presented by Ms.Rashmi Sharma Asst.proffesor of Biyani girls college. The video is about cryptography And its importance in network security. In cryptography we send the message in encrypted form to the receiver. The aim of cryptography is to provide Authenticity, secrecy, non-repudiation. The video is helpful for BCA students.

Aggregate functions calculate the values of a column and return single value as result.
These are:
1.avg()
2.min()
3.max()
4.count()
5.sum()
6.first()
7.last()

This is a part of lecture presented by Ms. Rashmi Sharma Asst. professor of Biyani Girls College. The video is about basics of PERL programming, its variable types. The video is helpful for MCA, BCA, M.Sc. I.T and Computer science students.

Are you finding electronic data interchange tutorials on internet then please stop your journey and watch this video for your complete solution.

The factorial of a non-negative integer n, denoted by n!, is the product of all positive integers less than or equal to n. The function uses for loop to calculate the factorial and returns the number. Program terminates if a non integer number is entered. This C language program uses for loop in just a single statement to calculates the factorial of integer number.
5!= 5 x 4 x3 x2 x1 =120

1. End Users
2. Application Programmers
3. Database Administrator
4. System analyst

This is a part of lecture presented by Ms. Jyoti Sharma Asst. professor of biyani girls college. The video is about Logic Gates and describe three basic logic gates with their Truth Table and their Diagram.

This is a part of lecture presented by Ms. Jyoti Sharma Asst. professor of biyani girls college. The video is about Relationship in E-R Model Whenever we draw a E-R Model then we should establish a relationship between two or more Entities .Here we also describe three types of relationship.