The Walk-Through Computer uses a bubble jet printer. Other types of printers are dot matrix printers and laser printers. Software is the instructions that tell the computer what to do. Software is also called a computer program. Software can be a game, a word processing program, or an Internet browser.
Software is written in computer languages.
The smallest unit of information in binary code is called a bit. Eight bits make a byte. And a byte can make a letter of the alphabet. Add up many bits to make a word. One sound could be 8000 bits or more.