Every Arduino programmer starts with writing the first LED blinking sketch using the C programming languages. You understand basic imperative commands to define output pins and to change pins. You also know what functions are, and how the
loop() methods interact. And from there on, you can use the full power of the C and C++ programming language.
Before I get too deep into C, I need to show you how to get data into and out of your programs. Using assignment for data gets old after a while and you want to be able to have users enter their own data. And you definitely need to be able to see what happens to your data in a program so learning how to display data to the screen is important and necessary.
Besides demonstrating how to perform input and output in C, I will also be demonstrating two templates that are related to those topics — Prompt, Then Read and Input, Process, Output (IPO). The IPO template, in particular, is important because practically every C program you write will use this template.
When I talk about input and output in C, I’ll use the terms standard input and standard output. These terms refer to the default input and output devices on your computer. The standard input device is the keyboard. The standard output device is the computer’s monitor or screen. I will only use the terms input and output and when I use those terms I’m referring to standard input and standard output. If I want to refer to a different device for input and/or output, I’ll use the specific term for that device.
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In this article, I discuss the next major construct in C — the loop. I’ll start by introducing a new program template related to loops, the Input and Process Until Done template, and then I’ll demonstrate how to implement this template using one C looping construct — the
One of the most common things you do in a computer program is repeatedly as the user for data and process that data until there is no more data to input. The Input and Process Until Done template provides an outline for how to write the code for this task.
Here is the pseudocode for the template:
Repeat the following until finished:
Read a value
Process the value
An example, which I’ll demonstrate in C down below, is to determine the average grade on a test by inputting all the test scores and then computing the average once the last test grade is entered. Here is some possible pseudocode for this problem:
While there are more grades to enter:
Prompt the user to enter a grade
Get the grade from the keyboard
Add the grade to the running total
Compute the average
Now let’s see how to implement this template using the while statement.
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C Language is an evergreen language and is used widely across different industries, This C programming is a must for students and working professionals to become a great Software Engineer especially when they are working in Software Development Domain. Great Learning brings you this live session on “Introduction to C”. In this live session, we will be covering major concepts in C Programming such as Different Variables, Different Data Types that are being used, its Operators, Flow control statements, Structure, and lot more.
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In this article I’m going to demonstrate another way to implement the Input and Process Until Done template using the
do-while statement. The major difference between the
while statement and the
do-while statement is that with the
do-while statement the condition is tested at the bottom of the loop instead of at the top as it is with the
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C++ is general purpose, compiled, object-oriented programming language and its concepts served as the basis for several other languages such as Java, Python, Ruby, Perl etc.
The goal of this course is to provide you with a working knowledge of C++. We’ll start with the basics, including syntax, operators, loops, and functions. This Course will explain you how to use data structures and create your own Functions. This Course will show you the details of the powerful object and template systems so you can create useful classes and objects.
Youtube channel: ProgrammingKnowledge - https://www.youtube.com/watch?v=_SH1T3y_D7o
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