This language-agnostic course is your guide to programming and acquiring problem-solving skills. You will start reviewing the anatomy of computers and the binary number system. You will then look at the lifecycle of a program before moving on to the core concepts of programming. Overall, the primary focus of this course is logic building within the context of computer science and programming.

Throughout each chapter, you will get hands-on experience with exercises and quizzes to solidify what you’ve learned. If you’re looking to build strong programming fundamentals then this course is the perfect place to start.

Introduction to Computers & Programming

## Problem statement

Assume that you have a number *n*, and you want to find the absolute value of *n*.

## Input

You take a number *n* as the input.

## Output

You get the absolute value of *n* as the output.

![](/api/collection/10370001/5734049529200640/page/6091931739226112/image/6681890393161728)

Use what you have learned so far to write pseudocode and draw a flowchart to find the absolute value of a number.

Introduction

Getting to Know Computers

Problem Solving

Variables

Decision in Programs

Repetition in Programs

Conclusion

Challenge: Compute the Absolute Value of a Number