Chapter 2 - Concept Summary¶

Chapter 2 included the following concepts from computing.

• Bit - A binary digits that can represent one of two states, often written as 1 or 0, True or False, or on or off.
• Computer - A computer is a device that can perform actions on input (which is also called data).
• Program - A program is a set of instructions that a computer can understand to accomplish some goal. This is sometimes called code.
• Programming Language - A programming language is used to tell a computer what to do. Some examples are Python and JavaScript.
• Programming Tool - A programming tool is used to do programming. One example is Scratch which is at http://scratch.mit.edu.
• Python - Python is a programming language. It is the language you will use in this eBook.
• Turing Machine - A Turing machine is a theoretical computer that can read instructions from a tape and write results to the tape.