Let X and Y are two sets. A relation f from X to Y is said to be a function if for every x ∈ X there is a unique element y ∈ Y, such that (x, y) ∈ X

Shares and mutual funds-Share is the smallest unit of the capital of a company. In other words, A unit of ownership, that represents an equal proportion of a company’s capital is called as shares.

Before studying about permutation and combination, we will have to know about factorial.The product of the positive integers from 1 to n is denoted by n! And we read it as “factorial “

When the changes in one variable are associated or followed by change in the other, we say that there is a correlation between the two. Such data connecting two variables is called a bivariate population.

A number system is a way of writing any number. It can be represented by using any symbols or digits. It provides distinctive representation.

Python is a programming language that is frequently used. It was created by Guido van Rossum and released in 1991.

In Python, strings are byte arrays that represent Unicode characters.

Uses of computers in different areas, like : Business, Education, Banking, Military, Healthcare and Communication.

The State transition matrix is that matrix whose product with the state vector at initial time gives the value of variable x for time t.

The registers are formed using a group of flip flops. The shift registers are mainly used for transferring data or storing multiple bits.

A single-phase induction motor has a cage winding on its rotor and single phase winding on the stator. The size of these motors is very small.

Insertion sorting is a very basic process for sorting numbers in an ascending or descending order.

A programme is a set of instructions that directs a computer to perform specific activities.

Object has states and behaviors that they exhibit.

Cell splitting in mobile communication is the process in which the bigger cells split up into smaller ones.

A computer network is a collection of computers connected by a communication media like cable or wire.

A servlet’s life cycle is divided into five levels: 1) Loading of Servlet 2) Creating instance of Servlet 3) Invoke init() once 4) Invoke service() repeatedly for each client request 5) Invoke destroy().

A function is said to be positive Real function if it has all the poles and zeros on the left half of the S-plane. Re[ H(jw) ] >=0 for all ‘w’

Chinese remainder theorem- Once a Chinese riddle asks the following question- Is there a positive integer x such that when x is divided by 3 it yields a remainder 2, when x is divided by 5 it yields a remainder 4, and when x is divided by 7 it yields a remainder 6?

A Digital to Analog converter is an electronic device which converts digital signal to analog signal. The digital signals are in the form 0,1.