Category: INTRO TO Programming

Part 1: What Are Comments? Comments are pieces of text in your source code that are completely ignored by the compiler or interpreter. They are written for human readers, not for the machine. Their purpose...

 Input and Output Think of a program as a magical box. It’s useless if it just sits there. To be useful, it needs to receive information from the outside world (Input), process it in...

Part 1: What is a Bit? A bit (short for binary digit) is the most basic unit of information in computing. It can only have one of two possible values: 0 or 1. Think of a bit like a simple...

Part 1: What Are Binary Numbers? Binary numbers are numbers expressed in the base-2 numeral system. Unlike our everyday decimal system (base-10), which uses ten digits (0-9), binary uses only two digits: 0 and 1. Why only two...

Part 1: What Are Hexadecimal Numbers? Hexadecimal (often called “hex”) is a base-16 number system. Unlike our familiar decimal system (base-10) which uses ten digits (0-9), hexadecimal uses sixteen symbols: Digits 0-9 represent values 0 through 9 Letters A-F represent values...

Part 1: What is Boolean Algebra? Boolean algebra is a branch of algebra that deals with binary variables and logical operations. Unlike regular algebra, where variables can take any numeric value (like x = 5, x =...