In C++, a variable is something that can be used to store some value. The variables can be of different types to store different types of values. For example- An ‘int’ type variable stores an integer value whereas ‘char’ stores character type value. A variable is actually a name given to a memory location and
Whenever you visit a website you might have observed HTTP or HTTPS at the starting of the page address. Before we explore what are these two, let’s have a look at what we call a ‘protocol’. In general, a protocol is a set of rules defined to carry out a specific process. For example, we
Opposite to variables, constants are those values that do not change throughout the execution of the program. They are also called literals. Like variables, a constant can be of any data type like integer, float, or string. Note: Constants should be declared using upper case names so that they can be distinguished with the variables. We can
Arduino is an open-source hardware and software company. It designs single-board microcontrollers to control electronic devices. The microcontroller board itself is called Arduino and in this article, we will refer to the board itself by the term ‘Arduino’. So what exactly the Arduino is? In simple words, Arduino is a microcontroller that can control electronic
What is an Arduino? Read More »
In C, a variable is a name given to a memory location. It is used to store some value that can be used multiple times in the program through the variable. How a variable is declared? A variable needs to be declared or created first before using. The basic syntax to declare a variable is
A command prompt (often abbreviated as cmd) is a command-line interpreter in which you can give commands to perform the functions on your PC. These functions include all the regular stuff like creating a new folder/file, deleting a folder/file, renaming, or navigating through the folders. For example, If you want to create a new folder inside
What is a Command Prompt Read More »
In this example, you will learn how to print the table of a number given by the user. To understand this example you should have the knowledge of – Operators in C. Loops. Program Using ‘while’ loop #include <stdio.h> int main() { int num, i = 1, res; printf("Enter a number: "); scanf("%d", &num); while(i
C program to display multiplication table Read More »
The positive numbers such as 1,2,3,4,5…. etc are known as natural numbers. In this program, you will see how to calculate the sum up to n natural numbers. We will ask a user to enter a number and then calculate the sum up to that number. For example, if the user enters 5, then we
C Program to Find the Sum of Natural Numbers (Using Loop) Read More »
In JavaScript, a data type is the type of data that is being used. In JS there are various data types like numbers, strings, and many more. The data type is an important aspect of programming, as it is essential to know about the type of data to operate on it. What if I ask
JavaScript Data Types Read More »
If you have a website, you must include some security checks in the contact forms or wherever you expect any user input. If you don’t do so, you would face unnecessary spam messages or emails. In older days, webmasters use some simple calculations like additions and verify the answers given by the user. This is to
How to integrate Google reCAPTCHA with PHP Read More »
