The ASCII chart assigns a character to each value represented by a byte (8 bits binary). It is made up of upper and lowercase Roman letters, numbers, and special characters.

Binary code is the perfect place to start — it's conceptually simple but practically complex, and to computers, it's everything.

What does standards - character codes actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

Need to hand-edit a binary G-code file? Convert it to ASCII G-code, make your changes, then flip it right back.